GB
Guillaume Bourdarot
astro-ph.IMastro-ph.EPastro-ph.GAastro-ph.SRgr-qcastro-ph.HEastro-ph.COeess.SPphysics.ins-detphysics.optics
On Valency
published · living versionsW_3x2c22fe·v1 · currentpublished
The S stars' zone of avoidance in the Galactic center
with Aleksey Generozov, Hagai B. Perets, Matteo S. Bordoni, Antonia Drescher +7
1 version
W_jc8878c3·v1published
W_e292bt9v·v1published
W_gvqd3mhf·v1published
W_zsbj3yqg·v1published
Preprints & journals
89 papers in the corpus · 2016–2026A first look at the protoplanet WISPIT 2 b with VLTI/GRAVITY+2610.21629v1 · K. Abd El Dayem, R. Abuter, N. Aimar et al.2026 · 0 citationsarXiv
Searching for Nearby Supermassive Black Hole Binaries with GRAVITY2610.14174v1 · K. Abd El Dayem, N. Aimar, A. Berdeu et al.2026 · 0 citationsarXiv
MATISSE 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
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
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
Towards an Extended VLTI: Turbulence Characterization for Kilometer-Scale Optical Links at Paranal2607.26540v1 · B. Neichel, T. Pichon, G. Bourdarot et al.2026 · 0 citationsarXiv
Superdiffusion at the Galactic Centre2607.27317v1 · Pau Amaro Seoane, Kostas Tzanavaris, Reinhard Genzel et al.2026 · 0 citationsarXiv
Stellar rotation of S301 as a macroscopic gyroscope to test general relativity2607.26134v1 · Pau Amaro Seoane, Xian Chen, Alejandro Torres-Orjuela et al.2026 · 0 citationsarXiv
S301 and friends: Measuring the spin of Sgr A*2607.24931v2 · T. Piran, P. Amaro-Seoane, B. Aytac et al.2026 · 0 citationsarXiv
Proof of concept of heterodyne interferometry at 10.6 um using photonic correlation2607.13671v1 · Tituan Allain, Jean-Philippe Berger, Guillaume Bourdarot et al.2026 · 0 citationsarXiv
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
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
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
SIMTERFERE: An optical interferometry simulator for quantifying the coherent flux stability of VLTI/GRAVITY+. Reaching per mill stability: Application to exoplanet spectroscopy2603.15499v1 · J. R. Sauter, A. von Stauffenberg, G. Bourdarot et al.2026 · 0 citationsarXiv
Gas chemistry in the dust depleted inner regions of protoplanetary disks. I. Near-IR spectra and overtones2603.08529v1 · J. Bethlehem, Ch. Rab, I. Kamp et al.2026 · 0 citationsA&A 708, A322 (2026)
Exoplanet atmospheres and demographics in the 2040s2601.11695v1 · Jens Kammerer, Sydney Vach, Sylvestre Lacour et al.2026 · 0 citationsarXiv
Hunting exomoons with a kilometric baseline interferometer2512.15858v1 · Thomas O. Winterhalder, Antoine M'erand, Sylvestre Lacour et al.2025 · 0 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
Coordinated Space- and Ground-based Monitoring of Accretion Bursts in a Protoplanetary Disk: The Orbital and Accretion Properties of DQ Tau2511.08311v1 · Hala Alqubelat, Carlo F. Manara, Justyn Campbell-White 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)
The gas streamer G1-2-3 in the Galactic Center2510.00897v1 · S. Gillessen, F. Eisenhauer, J. Cuadra et al.2025 · 3 citationsarXiv
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
Astrometric exomoon detection by means of optical interferometry2509.15304v1 · T. O. Winterhalder, A. M'erand, J. Kammerer et al.2025 · 6 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
New Orbital Constraints for YSES 1 b and HR 2562 B from High-Precision Astrometry and Planetary Radial Velocities2509.14321v1 · Jonathan Roberts, William Thompson, Jason J. Wang et al.2025 · 3 citationsarXiv
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
Impact of a granular mass distribution on the orbit of S2 in the Galactic center2507.01510v1 · Matteo Sadun Bordoni, Roberto Capuzzo Dolcetta, Aleksey Generozov et al.2025 · 2 citationsA&A 701, A89 (2025)
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
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
Coordinated Space and Ground-Based Monitoring of Accretion Bursts in a Protoplanetary Disk: Establishing Mid-Infrared Hydrogen Lines as Accretion Diagnostics for JWST-MIRI2504.08029v1 · Benjamin M. Tofflemire, Carlo F. Manara, Andrea Banzatti et al.2025 · 19 citationsarXiv
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)
On the Orbit of the Binary Brown Dwarf Companion GL229 Ba and Bb2502.05359v1 · William Thompson, Dori Blakely, Jerry W. Xuan et al.2025 · 3 citationsarXiv
The S stars' zone of avoidance in the Galactic center2412.02752v2 · Aleksey Generozov, Hagai B. Perets, Matteo S. Bordoni et al.2024 · 6 citationsA&A 696, A68 (2025)on Valency
Kilometer-baseline interferometry: science drivers for the next generation instrument2410.22063v1 · G. Bourdarot, F. Eisenhauer2024 · 1 citationarXiv
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
Blind and robust reconstruction of adaptive optics point spread functions for asteroid deconvolution and moon detection2410.08585v1 · Anthony Berdeu (LESIA), F'err'eol Soulez, Kate Minker (OCA) et al.2024 · 0 citationsAdaptive Optics Systems IX, Jun 2024, Yokohama, Japan. pp.235
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
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
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)
VLTI/GRAVITY Interferometric Measurements of Innermost Dust Structure Sizes around AGNs2407.13458v1 · A. Amorim, G. Bourdarot, W. Brandner et al.2024 · 24 citationsA&A 690, A76 (2024)
General Relativistic effects and the NIR variability of Sgr A* II: A systematic approach to temporal asymmetry2407.07091v1 · Sebastiano D. von Fellenberg, Gunther Witzel, Michi Bauboeck et al.2024 · 8 citationsA&A 688, L12 (2024)
Career total: at least 207 works. 89 are in this corpus.Showing the 50 most recent.
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