JB
Jean Philippe Berger
astro-ph.SRastro-ph.IMastro-ph.EPastro-phastro-ph.GAgr-qcastro-ph.HEphysics.ins-detphysics.opticsDirect imaging
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
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W_wtvfdjv6·v1published
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W_p5pdxszv·v1published
Preprints & journals
172 papers in the corpus · 1998–2026VLTI/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
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
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
Resolving the smallest scales of massive star formation: A case for next-generation thermal-infrared interferometers2606.18178v1 · Emma Bordier, Evgenia Koumpia, Lucas Labadie et al.2026 · 0 citationsarXiv
Exploring Exoplanets with Interferometry2606.10108v1 · Sascha P. Quanz, Bertrand Mennesson, Charles Beichman et al.2026 · 0 citationsarXiv
VLTI/PIONIER imaging of post-AGB binaries. An INSPIRING hunt for inner rim substructures in circumbinary discs2605.13445v2 · Toon De Prins, Akke Corporaal, Jacques Kluska 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
ESO White Paper on Intensity Interferometry: Cosmology, Fundamental Physics, Quantum Optics2602.12717v1 · Robin Kaiser, William Guerin, Farrokh Vakili et al.2026 · 0 citationsarXiv
The asymmetric structure of the inner disc around HD 142527 A with VLTI/MATISSE2602.03393v2 · M. B. Scheuck, R. van Boekel, Th. Henning et al.2026 · 1 citationA&A 708, A380 (2026)
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
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
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)
A Tentative Detection of a Point Source in the Disk Gap of HD 100546 with VLT/SPHERE-IRDIS Sparse Aperture Masking Interferometry2502.07759v1 · Dori Blakely, Doug Johnstone, Tomas Stolker et al.2025 · 2 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
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
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
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)
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
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
A new dimension in the variability of AGB stars: convection patterns size changes with pulsation2405.10164v1 · A. Rosales-Guzm'an, J. Sanchez-Bermudez, C. Paladini et al.2024 · 9 citationsA&A 688, A124 (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
Asgard/NOTT: L-band nulling interferometry at the VLTI. II. Warm optical design and injection system2402.09013v1 · Germain Garreau, Azzurra Bigioli, Romain Laugier et al.2024 · 12 citationsJ. Astron. Telesc. Instrum. Syst. 10(1), 015002 (2024)
The GRAVITY young stellar object survey XIII. Tracing the time-variable asymmetric disk structure in the inner AU of the Herbig star HD989222401.17764v1 · V. Ganci, L. Labadie, K. Perraut et al.2024 · 0 citationsarXiv
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)
The GRAVITY young stellar object survey XII. The hot gas disk component in Herbig Ae/Be stars2401.07921v1 · R. Garcia Lopez, A. Natta, R. Fedriani et al.2024 · 0 citationsarXiv
Searching for low-mass companions at small separations in transition disks with aperture masking interferometry2312.11989v2 · Tomas Stolker, Jens Kammerer, Myriam Benisty et al.2023 · 13 citationsarXiv
The GRAVITY young stellar object survey: XI. Imaging the hot gas emission around the Herbig Ae star HD 586472312.08819v1 · Y.-I. Bouarour, R. Garcia Lopez, J. Sanchez-Bermudez et al.2023 · 0 citationsarXiv
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
Polarization analysis of the VLTI and GRAVITY2311.03472v1 · F. Widmann, X. Haubois N. Schuhler, O. Pfuhl et al.2023 · 13 citationsarXiv
2023 Astrophotonics Roadmap: pathways to realizing multi-functional integrated astrophotonic instruments2311.00615v1 · Nemanja Jovanovic, Pradip Gatkine, Narsireddy Anugu et al.2023 · 51 citationsJ. Phys. Photonics 5 042501 (2023)
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
FU Orionis disk outburst: evidence for a gravitational instability scenario triggered in a magnetically dead zone2304.13414v1 · G. Bourdarot, J-P. Berger, G. Lesur et al.2023 · 12 citationsA&A 676, A124 (2023)
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 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
The GRAVITY Young Stellar Object survey -- IX. Spatially resolved kinematics of hot hydrogen gas in the star/disk interaction region of T Tauri stars2210.13095v3 · J. A. Wojtczak, L. Labadie, K. Perraut et al.2022 · 0 citationsA&A 669, A59 (2023)
Characterization of Mid-Infrared Intersubband Detectors for Astronomical Heterodyne Interferometry2209.07789v1 · Tituan Allain, Mohammadreza Saemian, Carlo Sirtori et al.2022 · 1 citationProceedings Volume 12183, Optical and Infrared Interferometry and Imaging VIII; 1218315 (2022)
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