XH
Xavier Haubois
astro-ph.SRastro-ph.IMastro-ph.EPastro-ph.GAgr-qcastro-ph.HEastro-phastro-ph.COphysics.class-ph
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_bkjpk8re·v1published
Preprints & journals
123 papers in the corpus · 2008–2026A 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
Pushing high angular resolution and high contrast observations on the VLTI from Y to L band with the Asgard instrumental suite: integration status and plans2609.24567v2 · Marc-Antoine Martinod, Michael J. Ireland, Denis Defrere et al.2026 · 0 citationsProc. SPIE 14148, Optical and Infrared Interferometry and Imaging X, 1414808 (21 Aug 2026)
Status and performance of the Asgard/NOTT cold nulling camera2609.21546v1 · P. Chingaipe, G. Medgyesi, A. Mazzoli et al.2026 · 0 citationsP. Chingaipe et al., Proc. SPIE 14148, 1414827 (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
Asgard/NOTT: Status of laboratory nulling performance2608.18951v1 · T. Mattheussen, R. Laugier, D. Defrere 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
Performance Analysis of the Asgard/NOTT Nulling Interferometer: Optimizing Observing Modes for High-contrast Detection2608.13737v2 · J. P. Scott, S. Ertel, T. A. Stuber et al.2026 · 0 citationsarXiv
Asgard/NOTT: Cryogenic characterization of the mid-infrared chip2607.20191v1 · G. Garreau, D. Defrere, R. Laugier 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
ESO User Support and Observation Preparation for VLTI Science Operations2607.09533v2 · M. Wittkowski, G. Beccari, A. Corporaal et al.2026 · 0 citationsProc. SPIE 14148, Optical and Infrared Interferometry and Imaging X, 141481J (2026)
Harmonic phase diagnostics of long secondary periods. Testing predictions of oscillatory convective dipole modes in the OGLE sample2604.06563v2 · Benjamin Courtney-Barrer, Xavier Haubois, Michael Ireland et al.2026 · 0 citationsA&A 709, L2 (2026)
Interferometric view into RT Pav's long secondary period. binary vs oscillatory convective modes2511.21987v2 · B. Courtney-Barrer, X. Haubois, P. Wood et al.2025 · 2 citationsA&A 705, A187 (2026)
Exomoon search with VLTI/GRAVITY around the substellar companion HD 206893 B2511.20091v1 · Q. Kral, J. Wang, J. Kammerer et al.2025 · 8 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 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
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)
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
L-band nulling interferometry at the VLTI with Asgard/NOTT: status and plans2407.08397v1 · Denis Defrere, Romain Laugier, Marc-Antoine Martinod et al.2024 · 1 citationarXiv
Pushing high angular resolution and high contrast observations on the VLTI from Y to L band with the Asgard instrumental suite: integration status and plans2407.08431v1 · Marc-Antoine Martinod, Denis Defrere, Michael J. Ireland et al.2024 · 2 citationsarXiv
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light2406.04003v1 · N. Pourr'e, T.O. Winterhalder, J.-B. Le Bouquin et al.2024 · 11 citationsarXiv
GRAVITY for MATISSE -- Improving the MATISSE performance with the GRAVITY fringe tracker2405.20730v2 · J. Woillez, R. Petrov, R. Abuter et al.2024 · 9 citationsA&A 688, A190 (2024)
The accretion burst of the massive young stellar object G323.46 -0.082405.10427v2 · V. Wolf, B. Stecklum, A. Caratti o Garatti et al.2024 · 16 citationsA&A 688, A8 (2024)
Astrometric detection of a Neptune-mass candidate planet in the nearest M-dwarf binary system GJ65 with VLTI/GRAVITY2404.08746v1 · R.Abuter, A.Amorim, M.Benisty et al.2024 · 6 citationsarXiv
Four-of-a-kind? Comprehensive atmospheric characterisation of the HR 8799 planets with VLTI/GRAVITY2404.03776v2 · E. Nasedkin, P. Molliere, S. Lacour et al.2024 · 58 citationsA&A 687, A298 (2024)
Combining Gaia and GRAVITY: Characterising five new Directly Detected Substellar Companions2403.13055v2 · T. O. Winterhalder, S. Lacour, A. M'erand et al.2024 · 17 citationsA&A 688, A44 (2024)
A catalogue of dual-field interferometric binary calibrators2402.05019v1 · M. Nowak, S. Lacour, R. Abuter et al.2024 · 10 citationsA&A 687, A248 (2024)
A dynamical measure of the black hole mass in a quasar 11 billion years ago.38286342 · Abuter, R, Allouche, F, Amorim, A et al.2024 · 69 citationsNature. 2024;627(8003):281-285
Single-mode waveguides for GRAVITY II. Single-mode fibers and Fiber Control Unit2401.10613v1 · G. Perrin, L. Jocou, K. Perraut et al.2024 · 7 citationsA&A 681, A26 (2024)
VLTI/GRAVITY Provides Evidence the Young, Substellar Companion HD 136164 Ab formed like a "Failed Star"2312.08283v1 · William O. Balmer, L. Pueyo, S. Lacour et al.2023 · 12 citationsarXiv
Using the motion of S2 to constrain vector clouds around SgrA*2312.02653v2 · A. Foschi, R. Abuter, K. Abd El Dayem et al.2023 · 13 citationsarXiv
First VLTI/GRAVITY Observations of HIP 65426 b: Evidence for a Low or Moderate Orbital Eccentricity2310.00148v2 · S. Blunt, W. O. Balmer, J. J. Wang et al.2023 · 17 citationsarXiv
VLTI/GRAVITY Observations and Characterization of the Brown Dwarf Companion HD 72946 B2309.04403v3 · W. O. Balmer, L. Pueyo, T. Stolker et al.2023 · 15 citationsarXiv
Polarimetry and Astrometry of NIR Flares as Event Horizon Scale, Dynamical Probes for the Mass of Sgr A*2307.11821v2 · R. Abuter, N. Aimar, P. Amaro Seoane et al.2023 · 97 citationsA&A 677, L10 (2023)
Using the motion of S2 to constrain scalar clouds around SgrA*2306.17215v4 · A. Foschi, R. Abuter, N. Aimar et al.2023 · 37 citationsarXiv
Where intermediate-mass black holes could hide in the Galactic Centre: A full parameter study with the S2 orbit2303.04067v2 · O. Straub, M. Baubock, R. Abuter et al.2023 · 31 citationsA&A 672, A63 (2023)
The K-band highest-resolution images of the Mira star R Car with GRAVITY-VLTI2303.00056v1 · A. Rosales-Guzman, J. Sanchez-Bermudez, C. Paladini et al.2023 · 6 citationsA&A 674, A62 (2023)
The GRAVITY+ Project: Towards All-sky, Faint-Science, High-Contrast Near-Infrared Interferometry at the VLTI2301.08071v1 · GRAVITY+ Collaboration: Roberto Abuter, Patricio Alarcon, Fatme Allouche et al.2023 · 26 citationsarXiv
Chasing extreme planetary architectures: I- HD196885Ab, a super-Jupiter dancing with two stars?2211.00994v1 · G. Chauvin, M. Videla, H. Beust et al.2022 · 12 citationsA&A 675, A114 (2023)
Towards a Better Understanding of OPD Limitations for Higher Sensitivity and Contrast at the VLTI2209.08328v1 · Benjamin Courtney-Barrer, Julien Woillez, Romain Laugier et al.2022 · 3 citationsarXiv
Direct discovery of the inner exoplanet in the HD206893 system. Evidence for deuterium burning in a planetary-mass companion2208.04867v5 · S. Hinkley (Exeter), S. Lacour (LESIA), G.-D. Marleau et al.2022 · 82 citationsarXiv
First Light for GRAVITY Wide: Large Separation Fringe Tracking for the Very Large Telescope Interferometer2206.00684v2 · GRAVITY+ Collaboration: R. Abuter, F. Allouche, A. Amorim et al.2022 · 37 citationsA&A 665, A75 (2022)
Deep Images of the Galactic Center with GRAVITY2112.07477v1 · R. Abuter, N. Aimar, A. Amorim et al.2021 · 37 citationsA&A 657, A82 (2022)on Valency
The mass distribution in the Galactic Centre from interferometric astrometry of multiple stellar orbits2112.07478v1 · R. Abuter, N. Aimar, A. Amorim et al.2021 · 287 citationsA&A, 2021,on Valency
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