JB
Jean B. Le Bouquin
astro-ph.SRastro-ph.IMastro-ph.EPastro-ph.GAastro-ph.HEgr-qcastro-phastro-ph.COeess.SPphysics.data-an
On Valency
published · living versionsW_jc8878c3·v1 · currentpublished
Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits
with The GRAVITY Collaboration, Karim Abd El Dayem, Roberto Abuter, Nicolas Aimar +64
1 version
W_e292bt9v·v1published
W_gvqd3mhf·v1published
W_wtvfdjv6·v1published
W_ms5ca8v9·v1published
W_nm7jakgh·v1published
Preprints & journals
256 papers in the corpus · 2005–2026MATISSE in the era of GRAVITY+2609.35057v1 · Florentin Millour (LAGRANGE), Anthony Soulain (LAGRANGE), St'ephane Lagarde (LAGRANGE) et al.2026 · 0 citationsSPIE, SPIE, Jul 2026, Copenhagen, Denmark
VLTI/MATISSE observations of the hot dust around Pictoris: Observing faint objects with MATISSE2609.29783v1 · P. Priolet, J.-C. Augereau, J. Milli et al.2026 · 0 citationsAstronomy & Astrophysics, 713, A51 (2026)
Improving constraints on the Yukawa correction at the Galactic Center with multiple stellar orbits2609.07693v2 · K. Abd El Dayem, N. Aimar, A. Berdeu et al.2026 · 0 citationsarXiv
CHARA/SPICA: The six-telescope visible combiner and near-infrared fringe tracker for the CHARA Array2609.02406v1 · D. Mourard, P. B'erio, C. Bailet et al.2026 · 0 citationsarXiv
CHARA Array Observations of the Evolved Components in Symbiotic Star Systems2608.27546v1 · Thomas Martin Gaudin, Ryan Norris, Magdalena Otulakowska-Hypka et al.2026 · 0 citationsAstrophys. J. 1011, 105 (2026)
Discovery of a star sensitive to the spin of Sagittarius A.42618794 · Abd El Dayem, K, Abuter, R, Aimar, N et al.2026 · 4 citationsNature. 2026;657(8131):359-363
The Roman Coronagraph Community Participation Program: pre-launch reference star list and impact of reference star properties on post-processing performance2608.17057v1 · Justin Hom, Schuyler G. Wolff, Jessica Gersh-Range et al.2026 · 0 citationsarXiv
GRAVITY+: reducing non-common-path aberrations for sub-10 {\mu}as astrometric accuracy2608.05751v1 · Quentin Fournier, Guillaume Bourdarot, Frank Eisenhauer et al.2026 · 0 citationsarXiv
Pixel-Level Calibration for Space-Based High Precision Astrometry Using Young's Fringes2608.03356v2 · Hugo Rousset (IPAG), Eric Thi'ebaut, Chlo'e Rey (IPAG) et al.2026 · 0 citationsSPIE Astronomical Telescopes Instrumentation, Jul 2026, Copenhagen, Denmark
Discovery of a star sensitive to the spin of Sgr A*2607.12664v1 · K. Abd El Dayem, R. Abuter, N. Aimar et al.2026 · 1 citationarXivon Valency
ngVLTI: Cost and Feasibility of a Four-Telescope VLTI Expansion for Milliarcsecond-Scale Imaging2607.12692v1 · Sylvestre Lacour, Johan Kosmalski, Michael Mueller et al.2026 · 0 citationsarXiv
Southern massive stars at high angular resolution: WR 25 is a massive hierarchical triple system2607.12836v1 · K. Deshmukh, L. Mahy, H. Sana et al.2026 · 0 citationsarXiv
Southern Massive Stars at High Angular Resolution (SMaSH+): Properties of hierarchical massive triples2606.28159v1 · E. Bordier, H. Sana, A. J. Frost et al.2026 · 1 citationarXiv
Using VLTI/GRAVITY+ to determine the identity of a third planet candidate in the PDS 70 system2606.26249v2 · David Trevascus, Wolfgang Brandner, Olga Balsalobre-Ruza et al.2026 · 1 citationarXiv
Pre-nova Observations of T CrB: A view from the CHARA Array2606.17272v1 · Ryan Norris, Narsireddy Anugu, Thomas Gaudin et al.2026 · 0 citationsApJL, 1004, L13 (2026)
CO and potential variability in Pictoris b with GRAVITY+2606.11972v1 · Antonia von Stauffenberg, Jonas Sauter, Paul Molliere et al.2026 · 0 citationsarXiv
Direct spectroscopic confirmation of the young embedded proto-planet WISPIT 2c2603.22085v1 · Chloe Lawlor, Richelle F. van Capelleveen, Guillaume Bourdarot et al.2026 · 0 citationsarXiv
The GRAVITY young stellar object survey -- XV. The star-disk interaction region of the T Tauri star DO Tau2603.22444v1 · K. Perraut, J. Bouvier, H. Nowacki et al.2026 · 0 citationsarXiv
Unlocking the dynamics of Young Stellar Objects: Time-Domain Interferometry with six 4-m class telescopes2602.03401v1 · A. Soulain, B. Lopez, A. Matter et al.2026 · 0 citationsarXiv
Multiple outflows and delayed ejections revealed by early imaging of novae2512.05220v1 · Elias Aydi, John D. Monnier, Antoine M'erand et al.2025 · 3 citationsarXiv
Exomoon search with VLTI/GRAVITY around the substellar companion HD 206893 B2511.20091v1 · Q. Kral, J. Wang, J. Kammerer et al.2025 · 8 citationsarXiv
Surprise non-detection of Upsilon Andromedae b with MIRC-X and MYSTIC at the CHARA Array2510.16105v1 · Tyler Gardner, John D. Monnier, Stefan Kraus et al.2025 · 0 citationsarXiv
The ExoGRAVITY survey: A K-band spectral library of giant exoplanet and brown dwarf companions2510.08691v3 · J. Kammerer, T. O. Winterhalder, S. Lacour et al.2025 · 6 citationsA&A 704, A318 (2025)
First Light for the GRAVITY+ Adaptive Optics: Extreme Adaptive Optics for the Very Large Telescope Interferometer2509.21431v2 · GRAVITY+ Collaboration: F. Allouche, C. Bailet, M. Benisty et al.2025 · 10 citationsarXiv
Constraints on the Orbit of the Young Substellar Companion GQ Lup B from High-Resolution Spectroscopy and VLTI/GRAVITY Astrometry2509.20621v1 · Vidya Venkatesan, S. Blunt, J. J. Wang et al.2025 · 4 citationsarXiv
Spatially resolved broad line region in a quasar at z=4: Dynamical black hole mass and prominent outflow2509.13911v2 · GRAVITY+ Collaboration, K. Abd El Dayem, N. Aimar et al.2025 · 15 citationsarXiv
The CHARA Array Polarization Model and Prospects for Spectropolarimetry2509.10451v1 · Linling Shuai, John D. Monnier, Benjamin R. Setterholm et al.2025 · 2 citationsarXiv
The mid-infrared spectrum of Pictoris b. First VLTI/MATISSE interferometric observations of an exoplanet2508.18366v2 · M. Houll'e, F. Millour, P. Berio et al.2025 · 3 citationsA&A 704, A182 (2025)
Direct imaging discovery of a young giant planet orbiting on Solar System scales2507.06206v1 · T. Stolker, M. Samland, L. B. F. M. Waters et al.2025 · 5 citationsarXiv
Orbit and atmosphere of HIP 99770 b through the eyes of VLTI/GRAVITY2507.00117v1 · T. O. Winterhalder, J. Kammerer, S. Lacour et al.2025 · 7 citationsarXiv
HD 143006: Interferometric Confirmation of Misaligned Protoplanetary Disc with CHARA/MIRCX and VLTI/PIONIER2506.19668v1 · I. Codron, S. Kraus, J. D. Monnier et al.2025 · 2 citationsarXiv
GRAVITY+ adaptive optics (GPAO) tests in Europe2506.03721v1 · Florentin Millour (LAGRANGE), Guillaume Bourdarot (MPE), Jean-Baptiste Le Bouquin (IPAG) et al.2025 · 1 citationOptical and Infrared Interferometry and Imaging IX, Jun 2024, Yokohama, France. pp.72
An interferometric study of B star multiplicity2505.02300v8 · A. J. Frost, H. Sana, J-B Le Bouquin et al.2025 · 11 citationsA&A 701, A171 (2025)
Exploring the presence of a fifth force at the Galactic Center2504.02908v4 · K. Abd El Dayem, R. Abuter, N. Aimar et al.2025 · 9 citationsA&A 698, L15 (2025)
VLTI/GRAVITY upper limit on near-infrared emission from the nearby 33 Msun black hole Gaia BH32502.19473v1 · Pierre Kervella, Pasquale Panuzzo, Alexandre Gallenne et al.2025 · 4 citationsarXiv
Multiplicity of Galactic Cepheids from long-baseline interferometry V. High-accuracy orbital parallax and mass of SU Cygni2411.06647v2 · A. Gallenne, N. R. Evans, P. Kervella et al.2024 · 6 citationsA&A 693, A111 (2025)
Visual Orbits of Wolf-Rayet Stars II: The Orbit of the Nitrogen-Rich WR Binary WR 138 measured with the CHARA Array2411.01062v1 · Amanda Holdsworth, Noel Richardson, Gail H. Schaefer et al.2024 · 0 citationsarXiv
Simplified model(s) of the GRAVITY+ adaptive optics system(s) for performance prediction2410.08563v1 · Anthony Berdeu (LESIA), Jean-Baptiste Le Bouquin (IPAG), Guillaume Mella (IPAG) et al.2024 · 1 citationAdaptive Optics Systems IX, Jun 2024, Yokohama, France. pp.199
Visual Orbits of Wolf-Rayet Stars I: The Orbit of the dust-producing Wolf-Rayet binary WR\,137 measured with the CHARA Array2410.09259v1 · Noel D. Richardson, Gail H. Schaefer, Jan J. Eldridge et al.2024 · 9 citationsarXiv
Open loop calibration and closed loop non-perturbative estimation of the lateral errors of an adaptive optics system: examples with GRAVITY+ and CHARA experimental data2410.06569v1 · Anthony Berdeu (LESIA), Henri Bonnet (ESO), Jean-Baptiste Le Bouquin (IPAG) et al.2024 · 0 citationsarXiv
The cool brown dwarf Gliese 229 B is a close binary.39415016 · Xuan, Jerry W, Mérand, A, Thompson, W et al.2024 · 30 citationsNature. 2024;634(8036):1070-1074
Investigating 39 Galactic Wolf-Rayet stars with VLTI/GRAVITY: Uncovering A Long Period Binary Desert2409.15212v2 · K. Deshmukh, H. Sana, A. M'erand et al.2024 · 14 citationsA&A 692, A109 (2024)
First Resolution of Microlensed Images of a Binary-Lens Event2409.13015v3 · Zexuan Wu, Subo Dong, A. M'erand et al.2024 · 7 citationsAstrophys. j. 977 (2024) 229
Observations of Microlensed Images with Dual-field Interferometry: On-sky Demonstration and Prospects2409.12227v2 · P. Mroz, S. Dong, A. Merand et al.2024 · 5 citationsApJ 980, 47 (2025)
Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits2409.12261v1 · Karim Abd El Dayem, Roberto Abuter, Nicolas Aimar et al.2024 · 49 citationsA&A 692, A242 (2024)on Valency
GRAVITY+ Wavefront Sensors: High-Contrast, Laser Guide Star, Adaptive Optics systems for the VLTI2409.08438v1 · G.Bourdarot, F.Eisenhauer, S.Yaz\icı et al.2024 · 2 citationsSPIE Proceedings, Yokohama 2024
Recent and Upcoming Upgrades for MIRC-X and MYSTIC on the CHARA Array2408.04038v1 · Noura Ibrahim, Mayra Gutierrez, John D. Monnier et al.2024 · 0 citationsarXiv
The GRAVITY young stellar object survey XIV : Investigating the magnetospheric accretion-ejection processes in S CrA N2408.02374v1 · H. Nowacki, K. Perraut, L. Labadie et al.2024 · 4 citationsA&A 690, A123 (2024)
CHARA Near-Infrared Imaging of the Yellow Hypergiant Star Cassiopeiae: Convection Cells and Circumstellar Envelope2408.02756v2 · Narsireddy Anugu, Fabien Baron, John D. Monnier et al.2024 · 2 citationsarXiv
Estimation of the lateral mis-registrations of the GRAVITY + adaptive optics system2407.07423v1 · Anthony Berdeu (LESIA), H. Bonnet (ESO), J.-B. Le Bouquin (IPAG) et al.2024 · 5 citationsAstronomy and Astrophysics - A&A, 2024, 687, pp.A157
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