GP
Guy Perrin
astro-ph.IMastro-ph.SRastro-ph.GAastro-phastro-ph.EPastro-ph.HEgr-qcastro-ph.COphysics.opticscs.NA
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_zsbj3yqg·v1published
Preprints & journals
228 papers in the corpus · 1986–2026A 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
New Method for Path-length Equalization of Long Single-mode Fibers for Interferometry2609.10771v1 · M.Anderson, J. D. Monnier, K. Ozdowy et al.2026 · 1 citationProc. SPIE 9146, 91461L (2014) Proc. SPIE 9146, 91461L (2014) Proc. SPIE 9146, 91461L (2014) Proc. SPIE 9146, 91461L (2014) Proc. SPIE 9146, 91461L (2014)
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
FIRST-PL: Commissioning the first visible photonic lantern spectrograph for sub-diffraction-limit astronomy on Subaru/SCExAO2608.04372v1 · Sebastien Vievard, Elsa Huby, Sylvestre Lacour et al.2026 · 0 citationsarXiv
Effects of a disk structure on stellar motion at the Galactic Center2607.26713v1 · Arianna Foschi, Frederic H. Vincent, Thibaut Paumard 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
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
Theory of optical long-baseline interferometry on polarized sources2603.20136v1 · Guy Perrin2026 · 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
Gravity versus astrophysics in black hole images and photon rings: Equatorial emissions and spherically symmetric space-times2506.13482v2 · I. Urso, F. H. Vincent, M. Wielgus et al.2025 · 9 citationsA&A 700, A193 (2025)
The effects of the spin and quadrupole moment of SgrA* on the orbits of S stars2505.24789v1 · K. Abd El Dayem, F. H. Vincent, G. Heissel et al.2025 · 2 citationsarXiv
Biases induced by retardance and diattenuation in the measurements of long-baseline interferometers2504.03416v1 · Guy Perrin2025 · 2 citationsAstronomy & Astrophysics 695, A157 (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)
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
Spectroscopy using a visible photonic lantern at the Subaru telescope: Laboratory characterization and first on-sky demonstration on Ikiiki ({\alpha} Leo) and `Aua ({\alpha} Ori)2409.06958v3 · S'ebastien Vievard, Manon Lallement, Sergio Leon-Saval et al.2024 · 4 citationsA&A 691, A140 (2024)
Spectral interferometric wavefront sensing: a solution for petalometry at Subaru/SCExAO2409.05246v1 · Vincent Deo, Sebastien Vievard, Manon Lallement et al.2024 · 1 citationarXiv
Photonic beam-combiner for visible interferometry with SCExAO/FIRST: laboratory characterization and design optimization2409.03476v1 · Manon Lallement, Elsa Huby, Sylvestre Lacour et al.2024 · 5 citationsJournal of Astronomical Telescopes, Instruments, and Systems, Vol. 9, Issue 2, 025003 (April 2023)
Photonic chip for visible interferometry: laboratory characterization and comparison with the theoretical model2409.03808v1 · Manon Lallement, Sylvestre Lacour, Elsa Huby et al.2024 · 2 citationsProceeding SPIE Astronomical Telescopes + Instrumentation, Montreal, Quebec, Canada, Volume 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V, 121882F (2022)
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)
Visible Photonic Lantern integration, characterization and on-sky testing on Subaru/SCExAO2407.15412v1 · S'ebastien Vievard, Manon Lallement, Sergio Leon-Saval et al.2024 · 0 citationsarXiv
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)
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
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)
Generalized neutral axes in nondepolarizing optical systems.38568671 · Perrin, Guy2024 · 2 citationsJournal of the Optical Society of America. A, Optics, image science, and vision. 2024;41(4):708-713
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)
Upgrading the GRAVITY fringe tracker for GRAVITY+: Tracking the white light fringe in the non-observable Optical Path Length state-space2402.03594v1 · M. Nowak, S. Lacour, R. Abuter et al.2024 · 1 citationarXiv
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
An exact solution to the Fourier Transform of band-limited periodic functions with nonequispaced data and application to non-periodic functions2401.11295v1 · Guy Perrin2024 · 2 citationsJournal of Computational Physics 474, 111806 (2023)
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 size-luminosity relation of local active galactic nuclei from interferometric observations of the broad-line region2401.07676v1 · A. Amorim, G. Bourdarot, W. Brandner et al.2024 · 62 citationsarXiv
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
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
GYOTO 2.0: a polarized relativistic ray-tracing code2311.18802v1 · N. Aimar, T. Paumard, F. H. Vincent et al.2023 · 14 citationsarXiv
Polarization analysis of the VLTI and GRAVITY2311.03472v1 · F. Widmann, X. Haubois N. Schuhler, O. Pfuhl et al.2023 · 13 citationsarXiv
Career total: at least 912 works. 228 are in this corpus.Showing the 50 most recent.
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