11institutetext:  Univ. Grenoble Alpes, CNRS, IPAG, 38000 Grenoble, France
22institutetext: European Southern Observatory, Karl-Schwarzschild-Straße 2,
85748 Garching, Germany 33institutetext: LESIA, Observatoire de Paris, PSL,
CNRS, Sorbonne Université, Université de Paris, 5 place Janssen, 92195 Meudon,
France 44institutetext: Institute of Astronomy, University of Cambridge,
Madingley Road, Cambridge CB3 0HA, United Kingdom 55institutetext:
Universidade de Lisboa - Faculdade de Ciências, Campo Grande, 1749-016 Lisboa,
Portugal 66institutetext: CENTRA - Centro de Astrofísica e Gravitação, IST,
Universidade de Lisboa, 1049-001 Lisboa, Portugal 77institutetext: Max Planck
Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany
88institutetext: Department of Physics & Astronomy, Johns Hopkins University,
3400 N. Charles Street, Baltimore, MD 21218, USA 99institutetext: Space
Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
1010institutetext: Center for Interdisciplinary Exploration and Research in
Astrophysics (CIERA) and Department of Physics and Astronomy, Northwestern
University, Evanston, IL 60208, USA 1111institutetext: Max Planck Institute
for extraterrestrial Physics, Giessenbachstraße 1, 85748 Garching, Germany
1212institutetext: Aix Marseille Univ, CNRS, CNES, LAM, Marseille, France
1313institutetext: Université Côte d’Azur, Observatoire de la Côte d’Azur,
CNRS, Laboratoire Lagrange, Bd de l’Observatoire, CS 34229, 06304 Nice cedex
4, France 1414institutetext: STAR Institute, Université de Liège, Allée du Six
Août 19c, 4000 Liège, Belgium 1515institutetext: Leiden Observatory, Leiden
University, P.O. Box 9513, 2300 RA Leiden, The Netherlands 1616institutetext:
Department of Astrophysical & Planetary Sciences, JILA, Duane Physics Bldg.,
2000 Colorado Ave, University of Colorado, Boulder, CO 80309, USA
1717institutetext: Institute of Astronomy, KU Leuven, Celestijnenlaan 200D,
3001 Leuven, Belgium 1818institutetext: 1\. Institute of Physics, University
of Cologne, Zülpicher Straße 77, 50937 Cologne, Germany 1919institutetext: Max
Planck Institute for Radio Astronomy, Auf dem Hügel 69, 53121 Bonn, Germany
2020institutetext: Universidade do Porto, Faculdade de Engenharia, Rua Dr.
RobertoRua Dr. Roberto Frias, 4200-465 Porto, Portugal 2121institutetext:
School of Physics, University College Dublin, Belfield, Dublin 4, Ireland
2222institutetext: School of Physics & Astronomy, University of Southampton,
University Road, Southampton SO17 1BJ, UK 2323institutetext: Departments of
Physics and Astronomy, Le Conte Hall, University of California, Berkeley, CA
94720, USA 2424institutetext: European Southern Observatory, Casilla 19001,
Santiago 19, Chile 2525institutetext: Advanced Concepts Team, European Space
Agency, TEC-SF, ESTEC, Keplerlaan 1, NL-2201, AZ Noordwijk, The Netherlands
2626institutetext: University of Exeter, Physics Building, Stocker Road,
Exeter EX4 4QL, United Kingdom 2727institutetext: Fakultät für Physik,
Universität Duisburg-Essen, Lotharstraße 1, 47057 Duisburg, Germany
2828institutetext: Institüt für Astronomie und Astrophysik, Universität
Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany 2929institutetext:
Center for Space and Habitability, Universität Bern, Gesellschaftsstrasse 6,
3012 Bern, Switzerland 3030institutetext: Astronomy Department, University of
Michigan, Ann Arbor, MI 48109 USA 3131institutetext: Academia Sinica,
Institute of Astronomy and Astrophysics, 11F Astronomy-Mathematics Building,
NTU/AS campus, No. 1, Section 4, Roosevelt Rd., Taipei 10617, Taiwan
3232institutetext: European Space Agency (ESA), ESA Office, Space Telescope
Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
3333institutetext: Department of Earth & Planetary Sciences, Johns Hopkins
University, Baltimore, MD, USA 3434institutetext: Max Planck Institute for
Astrophysics, Karl-Schwarzschild-Str. 1, 85741 Garching, Germany
3535institutetext: Excellence Cluster ORIGINS, Boltzmannstraße 2, D-85748
Garching bei München, Germany 3636institutetext: DOTA, ONERA, 13661 Salon
cedex AIR, France 3737institutetext: KRP Mechatec GmbH, Boltzmannstraße 2,
85748 Garching bei München, Germany 3838institutetext: Universidad de
Valparaíso, Instituto de Física y Astronomía (IFA), Avenida Gran Bretaña 1111,
Casilla 5030, Valparaíso, Chile 3939institutetext: Núcleo Milenio de Formación
Planetaria (NPF), Valparaíso, Chile 4040institutetext: Univ. Lyon, Univ. Lyon
1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574,
69230, Saint-Genis-Laval, France

# High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)

N. Pourré Corresponding author:
N. Pourré (email: nicolas.pourre@univ-grenoble-alpes.fr)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) T. O. Winterhalder High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) J.-B.
Le Bouquin High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Lacour High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) A. Bidot High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) M. Nowak High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) A.-L.
Maire High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) D. Mouillet High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) C. Babusiaux High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) J.
Woillez High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) R. Abuter High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) A. Amorim High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) R. Asensio-Torres High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) W. O. Balmer High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) M. Benisty High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) J.-P. Berger High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) H.
Beust High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Blunt High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) A. Boccaletti High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) M.
Bonnefoy High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) H. Bonnet High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) M. S. Bordoni High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) G.
Bourdarot High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) W. Brandner High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) F. Cantalloube High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) P.
Caselli High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) B. Charnay High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) G. Chauvin High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) A.
Chavez High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) E. Choquet High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) V. Christiaens High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) Y.
Clénet High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) V. Coudé du Foresto High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) A. Cridland High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) R.
Davies High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) D. Defrère High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) R. Dembet High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) J.
Dexter High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) A. Drescher High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) G. Duvert High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) A.
Eckart High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) F.
Eisenhauer High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) N. M. Förster Schreiber High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) P. Garcia High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) R. Garcia Lopez High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) E. Gendron High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) R. Genzel High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Gillessen High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) J. H. Girard High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) F.
Gonte High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Grant High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) X. Haubois High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) G.
Heißel High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) Th.
Henning High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Hinkley High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) S. Hippler High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) S. F.
Hönig High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) M. Houllé High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) Z. Hubert High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) L.
Jocou High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. Kammerer High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) M. Kenworthy High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) M.
Keppler High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) P. Kervella High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) L. Kreidberg High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) N. T.
Kurtovic High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) A.-M. Lagrange High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) V. Lapeyrère High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) D. Lutz High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) F. Mang
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions
to light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) G.-D. Marleau High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) A. Mérand High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) F. Millour High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) P.
Mollière High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. D. Monnier High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) C. Mordasini High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) E.
Nasedkin High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Oberti High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) T. Ott High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) G. P. P. L. Otten High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) C. Paladini High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) T. Paumard High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) K.
Perraut High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) G. Perrin High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) O. Pfuhl High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) L.
Pueyo High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) D. C. Ribeiro High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) E. Rickman High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) Z.
Rustamkulov High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. Shangguan High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) T. Shimizu High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) D. Sing
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions
to light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) F.
Soulez High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. Stadler High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) T. Stolker High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) O. Straub High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) C.
Straubmeier High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) E. Sturm High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) C. Sykes High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) L. J.
Tacconi High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) E. F. van Dishoeck High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C) A. Vigan High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) F. Vincent High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) S. D.
von Fellenberg High contrast at short separation with VLTI/GRAVITY: Bringing
Gaia companions to light ††thanks: Based on observations collected at the
European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO
NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast
at short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. J. Wang High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) F. Widmann High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) S.
Yazici High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) (GRAVITY Collaboration)  J. A. Abad High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) E. Aller Carpentier High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) J. Alonso High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) L.
Andolfato High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) P. Barriga High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) J.-L. Beuzit High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) P.
Bourget High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) R. Brast High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) L. Caniguante High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) E.
Cottalorda High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) P. Darré High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) B. Delabre High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) A.
Delboulbé High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) F. Delplancke-Ströbele High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) R. Donaldson High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) R. Dorn
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions
to light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) C. Dupuy High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) S. Egner High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) G.
Fischer High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) C. Frank High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) E. Fuenteseca High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) P.
Gitton High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) T. Guerlet High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) S. Guieu High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) P.
Gutierrez High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) P. Haguenauer High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) A. Haimerl High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) C. T.
Heritier High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) S.
Huber High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) N. Hubin High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) P. Jolley High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) J.-P.
Kirchbauer High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. Kolb High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) J. Kosmalski High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) P.
Krempl High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) M. Le Louarn High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) P. Lilley High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) B.
Lopez High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) Y. Magnard High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) S. Mclay High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) A.
Meilland High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) A. Meister High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) T. Moulin High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) L.
Pasquini High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) J. Paufique High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) I. Percheron High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) L.
Pettazzi High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) D. Phan High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) W. Pirani High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) J.
Quentin High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) A. Rakich High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) R. Ridings High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) J.
Reyes High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) S. Rochat High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) C. Schmid High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) N.
Schuhler High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) P. Shchekaturov High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) M. Seidel High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) C.
Soenke High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) E. Stadler High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) C. Stephan High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) M.
Suárez High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) M. Todorovic High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) G. Valdes High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) C.
Verinaud High contrast at short separation with VLTI/GRAVITY: Bringing Gaia
companions to light ††thanks: Based on observations collected at the European
Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI),
60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at
short separation with VLTI/GRAVITY: Bringing Gaia companions to light
††thanks: Based on observations collected at the European Southern Observatory
under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C) G. Zins High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C) S. Zúñiga-Fernández High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C)High
contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to
light ††thanks: Based on observations collected at the European Southern
Observatory under ESO programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102
(GRAVITY+ commissioning run) and 0112.C-2396(C)High contrast at short
separation with VLTI/GRAVITY: Bringing Gaia companions to light ††thanks:
Based on observations collected at the European Southern Observatory under ESO
programs 1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+
commissioning run) and 0112.C-2396(C)High contrast at short separation with
VLTI/GRAVITY: Bringing Gaia companions to light ††thanks: Based on
observations collected at the European Southern Observatory under ESO programs
1104.C-0651, 0110.C-0182 (GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run)
and 0112.C-2396(C)High contrast at short separation with VLTI/GRAVITY:
Bringing Gaia companions to light ††thanks: Based on observations collected at
the European Southern Observatory under ESO programs 1104.C-0651, 0110.C-0182
(GTO NAOMI), 60.A-9102 (GRAVITY+ commissioning run) and 0112.C-2396(C) (NAOMI
Collaboration)

(Received 6 February 2024; accepted 24 March 2024)

###### Abstract

Context. Since 2019, GRAVITY has provided direct observations of giant planets
and brown dwarfs at separations of down to 95 mas from the host star. Some of
these observations have provided the first direct confirmation of companions
previously detected by indirect techniques (astrometry and radial velocities).

Aims.  We want to improve the observing strategy and data reduction in order
to lower the inner working angle of GRAVITY in dual-field on-axis mode. We
also want to determine the current limitations of the instrument when
observing faint companions with separations in the 30 to 150 mas range.

Methods.  To improve the inner working angle, we propose a fiber off-pointing
strategy during the observations to maximize the ratio of companion-light-to-
star-light coupling in the science fiber. We also tested a lower-order model
for speckles to decouple the companion light from the star light. We then
evaluated the detection limits of GRAVITY using planet injection and retrieval
in representative archival data. We compare our results to theoretical
expectations.

Results. We validate our observing and data-reduction strategy with on-sky
observations; first in the context of brown dwarf follow-up on the auxiliary
telescopes with HD 984 B, and second with the first confirmation of a
substellar candidate around the star Gaia DR3 2728129004119806464. With
synthetic companion injection, we demonstrate that the instrument can detect
companions down to a contrast of $8\times 10^{-4}$ ($\Delta\mathrm{K}=7.7$
mag) at a separation of 35 mas, and a contrast of $3\times 10^{-5}$
($\Delta\mathrm{K}=11$ mag) at 100 mas from a bright primary (K¡6.5), for 30
min exposure time.

Conclusions. With its inner working angle and astrometric precision, GRAVITY
has a unique reach in direct observation parameter space. This study
demonstrates the promising synergies between GRAVITY and Gaia for the
confirmation and characterization of substellar companions.

###### Key Words.:

techniques: high angular resolution – techniques: interferometric – planets
and satellites: detection – brown dwarfs – planetary systems

##  1 Introduction

Thanks to progress in ground-based and space-based direct imaging
instrumentation, we can now delve into the specific formation processes
leading to substellar companions, such as massive planets and brown dwarfs. It
has been proposed that they form by core accretion (Mizuno, 1980), disk
instability (Boss, 1997), or collapse of the prestellar core (Bonnell et al.,
2008), and all these models come with different variations. It is still
unclear as to which mechanism dominates in each type of object and at what
distance. Extensive direct imaging surveys (e.g., Vigan et al., 2021; Nielsen
et al., 2019; Stone et al., 2018) have inferred the occurrence rates of
massive Jovian planets and brown dwarfs around stars of spectral types from B
to M. For intermediate FGK stars, the findings of these surveys favor a
dichotomy in the formation processes. The distribution of giant planets within
50 au is consistent with the predictions of the core-accretion model, and the
giant planet and brown dwarf populations further out are consistent with the
disk-instability pathway. Also, by fitting the orbit of a sample of a dozen
substellar companions, Bowler et al. (2020) revealed a difference in the
eccentricity distribution of giant planets and brown dwarfs. These authors
suggest that planets form in disks and brown dwarfs preferably by core
collapse. The most promising way to enlarge the samples for testing the
formation theories is to enable direct observations of fainter companions, and
to reach the closer-in regions of the systems (below 20 au).

On the one hand, this goal of observing fainter companions at shorter
separations triggers the development of faster and higher-order adaptive
optics (AO)(Boccaletti et al., 2022; Lozi et al., 2022; Gravity+ Collaboration
et al., 2022) and deconvolution techniques in high-contrast images (e.g.,
angular differential imaging: Marois et al. (2006), spectral differential
imaging: Racine et al. (1999)). So far, ground-based AO-assisted single
telescopes and space instruments achieve contrasts down to a few $10^{-7}$ at
1 arcsec separation (ERIS: Davies et al. (2023), SPHERE: Beuzit et al. (2019),
GPI:Macintosh et al. (2014), HiRISE: Otten et al. (2021), KPIC:Jovanovic et
al. (2019), JWST: Hinkley et al. (2022) ). On the other hand, optical long-
baseline interferometry with GRAVITY is emerging as a complementary technique
because its specific deconvolution capability allows direct observations of
planetary companions at separations of as small as 90 mas.

GRAVITY is a second-generation K-band instrument and a two-in-one
interferometric combiner in operation at the Very Large Telescope
Interferometer (VLTI) since 2016 (GRAVITY Collaboration et al., 2017). The
fringe tracker (FT, Lacour et al. (2019)) arm operates at 1 kHz on a bright
target (K¡10) in order to adjust the delay-lines position and correct for
atmospheric turbulence. In parallel, the science (SC) arm can integrate up to
300 seconds, and thus allows for observations of objects as faint as K=19 mag
(GRAVITY Collaboration et al., 2022). In addition, a metrology system measures
the angular separation between the FT and the SC in real time. The ability to
observe faint objects, together with the robust metrology link between FT and
SC, launched optical interferometry into the field of direct imaging of
exoplanets. The ExoGRAVITY large program has already provided direct
observations of exoplanets orbiting at 3 au from their stars, at challenging
separations of down to 95 mas and contrasts of a few $10^{-5}$ (Nowak et al.,
2020; Lacour et al., 2021; Hinkley et al., 2023). GRAVITY provides the
relative astrometry with a precision down to 50 $\mu$as and a near-infrared
K-band spectrometry at R$\sim$500 (medium-resolution mode) or R$\sim$4000
(high-resolution mode). These observations provide unprecedented constraints
on the companion’s orbit and allow determination of the object’s surface
temperature and atmospheric composition (GRAVITY Collaboration et al., 2020).
However, the field of view of the instrument is limited due to the single-mode
nature of modern optical interferometry. For more than 50% injection, it is
about 65 mas on the unit telescopes (UTs) and 290 mas on the auxiliary
telescopes (ATs). While this is an important drawback when performing blind
searches, the situation has completely changed with the release of the Gaia
space telescope catalog. Gaia’s Non-Single-Star (NSS) two-body orbit catalog
(Holl et al., 2023; Halbwachs et al., 2023) published within DR3 (Gaia
Collaboration et al., 2022) contains astrometry-based orbital solutions for
approximately $450\,000\text{\,}$ stars around each system’s center of mass.
Assuming that the orbital motion of the star is caused by the presence of a
dark and unseen secondary body, the orbital solution constrains the on-sky
position of the companion relative to the star with sufficient accuracy to
position the single-mode fiber of GRAVITY. A subsequent detection of the
companion with GRAVITY can confirm the candidate and provide the dynamical
mass —thanks to the astrometry— and a direct measurement of its luminosity and
spectrum. This synergy has been identified for a few years now, but there is
currently no quantitative assessment of its potential. The actual inner
working angle and contrast performance of GRAVITY are still undocumented, and
their limitations are still unknown. These questions become even more pressing
in the context of the ongoing instrumentation upgrade at the VLTI (Eisenhauer,
2019).

The goal of this paper is to demonstrate and quantify the potential of GRAVITY
to provide direct confirmations of substellar candidates detected by Gaia
absolute astrometry and to understand its limitations. In Sect. 2, we describe
specific details of substellar companion observations and data reduction with
GRAVITY. We outline a strategy to lower the inner working angle. In Sect. 3,
we quantify and validate these strategies by observing the brown dwarf HD 984
B and by providing the first direct observation of a brown dwarf companion
orbiting the star Gaia DR3 2728129004119806464 (hereafter referred to as Gaia
…6464). Finally, in Sect. 4, we determine the detection limits of GRAVITY by
injection and retrieval of synthetic companions in archival ExoGRAVITY
observations. We compare the results with expectations from the fundamental
statistical noise. We conclude the paper with a summary and a discussion of
the synergy with Gaia and other direct-imaging instruments.

##  2 Method

###  2.1 The ExoGRAVITY method

The ExoGRAVITY community developed an observation technique and a dedicated
pipeline to enable direct observations of exoplanets and brown dwarfs with the
GRAVITY instrument down to a few tens of mas close to bright nearby stars
(Nowak et al., 2020; GRAVITY Collaboration et al., 2020).

####  2.1.1 Observing technique

The VLTI recombines either the four relocatable ATs, each of $D=$1.8 m in
diameter, or the four UTs, each of $D=8$ m in diameter. The beam from each
telescope travels through the VLTI tunnels and delay lines to reach GRAVITY.
In the instrument, the two combiners (FT and SC) are fed by separate optical
single-mode fibers. In the dual-field mode of the instrument, the fibers of
the SC and of the FT can be positioned at different locations on the focal
plane of each telescope (Pfuhl et al., 2012). For separations of less than 0.7
arcsec, the field is separated by a 50/50 beamsplitter before injection into
the FT and SC fibers (Appendix A in Nowak et al., 2020). In a typical
ExoGRAVITY observation sequence, the FT remains centered on the host star and
the SC alternates between long integrations centered on the companion and
shorter integrations centered on the star (to avoid saturation). The shape of
the fiber mode can be approximated by a Gaussian beam with a full width at
half maximum (FWHM) of 65 mas on the UT (290 mas on the AT), which defines the
field of view of the instrument. The flux injected into the SC from individual
telescopes is recombined in integrated optics (Perraut et al., 2018). The
recombination method allows us to measure the total flux of each of the four
telescopes, but also the coherent flux of each of the six baselines.

Regarding the total flux (e.g., photometric flux of each telescope), the
injected flux is the scalar product between the Gaussian mode of the fiber and
the object point-spread function (PSF; Fig. 1). The dependence of the
transmission on the distance $\mathbf{s}$ of the object from the center of the
fiber is thus given by

$\displaystyle T(m,\mathbf{s})=\left|\iint
E(\mathbf{x},m)\,M(\mathbf{x}-\mathbf{s})\;\mathrm{d}\mathbf{x}\right|^{2},$
(1)

where $m$ is the telescope, $E$ the incident electric field, $M$ the fiber
mode, and $\mathbf{x}=(x,y)$ the coordinates on the focal plane. In the
following, we consider that $T$ includes the overall transmission from the
atmosphere and the instrument; it therefore depends on the telescope, time,
and wavelength. This way, the total flux $F_{\textrm{oncompanion}}$ injected
into the SC for each of the four telescopes when the fiber is centered on the
companion can be expressed as

$\displaystyle F_{\textrm{oncompanion}}(m,t$ $\displaystyle,\lambda)=$
$\displaystyle
F_{s}(\lambda)\,T(m,\boldsymbol{\Delta\alpha},t,\lambda)+F_{c}(\lambda)\,T(m,\mathbf{0},t,\lambda),$
(2)

where $m$ is the telescope, $t$ the time, $\lambda$ the wavelength,
$\boldsymbol{\Delta\alpha}=(\Delta\mathrm{RA},\Delta\mathrm{Dec})$ the
position of the companion relative to the star, and $F_{s}$ and $F_{c}$ are
the total flux from the star and the companion, respectively.

The coherent flux, also called the complex visibility, encodes the amplitude
and the phase of the interferometric fringes and provides the useful signal in
GRAVITY. We can define the interferometric transmission $G$ as:

$\displaystyle G(b,$ $\displaystyle\mathbf{s})=$ $\displaystyle\iint
E(\mathbf{x},m_{1})\,M(\mathbf{x}-\mathbf{s})\;\mathrm{d}\mathbf{x}\cdot\iint
E^{*}(\mathbf{x},m_{2})M^{*}(\mathbf{x}-\mathbf{s})\;\mathrm{d}\mathbf{x},$
(3)

with the two telescopes $m_{1}$ and $m_{2}$ composing the baseline $b$. We can
then write the complex visibility $V_{\textrm{oncompanion}}$ that the
instrument measures when the SC fiber is located on the companion as

$\displaystyle V_{\textrm{oncompanion}}$ $\displaystyle(b,t,\lambda)=$
$\displaystyle
V_{s}(b,t,\lambda)\,G(b,\boldsymbol{\Delta}\boldsymbol{\alpha},t,\lambda)+V_{c}(b,t,\lambda)\,G(b,\mathbf{0},t,\lambda),$
(4)

where $V_{s}$ and $V_{c}$ are the visibility of the star and the companion,
respectively. Here and in the following, the visibility is understood as the
complex coherent flux, which matches the definition of Nowak et al. (2020).

Figure 1: Injection into the SC arm at the focal plane of GRAVITY. Top:
Comparison of the Gaussian single mode of the SC fiber with the diffraction-
limited PSF at the image plane. This simulation is for 20% bandwidth and the