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SG

Stefan Gillessen

astro-ph.GAastro-ph.IMastro-ph.SRastro-ph.HEastro-ph.EPastro-phgr-qcastro-ph.COphysics.class-ph

On Valency

published · living versions
W_3x2c22fe·v1 · currentpublished
The S stars' zone of avoidance in the Galactic center
with Aleksey Generozov, Hagai B. Perets, Matteo S. Bordoni, Guillaume Bourdarot +7
1 version

Preprints & journals

201 papers in the corpus · 2003–2026
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
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
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
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
Direct Imaging Discovery of Giant Exoplanet β\beta Pictoris d: A Decade-Long Game of Hide-and-Seek2606.23801v2 · Ben J. Sutlieff, Markus J. Bonse, Valentin Christiaens et al.2026 · 3 citationsApJL 1006 L10 (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)
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
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
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
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)
Spectroscopic AGN survey at zz ∼\sim 2 with NTT/SOFI for GRAVITY+ observations2503.02942v1 · D. J. D. Santos, T. Shimizu, R. Davies et al.2025 · 8 citationsA&A 696, A30 (2025)
High-contrast spectroscopy with the new VLT/ERIS instrument: Molecular maps and radial velocity of the gas giant AF Lep b2502.19961v2 · Jean Hayoz, Markus Johannes Bonse, Felix Dannert et al.2025 · 5 citationsA&A 698, A87 (2025)
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
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
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 MICADO first light imager for the ELT: overview and current Status2408.16396v1 · E. Sturm, R.Davies, J. Alves et al.2024 · 12 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)
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)
GATOS: missing molecular gas in the outflow of NGC5728 revealed by JWST2406.17072v1 · R. Davies, T. Shimizu, M. Pereira-Santaella et al.2024 · 41 citationsA&A 689, A263 (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
Experimental studies of black holes: status and future prospects2404.03522v2 · Reinhard Genzel, Frank Eisenhauer, Stefan Gillessen2024 · 41 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
Broad-line region geometry from multiple emission lines in a single-epoch spectrum2401.12396v1 · L. Kuhn, J. Shangguan, R. Davies et al.2024 · 10 citationsarXiv
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
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
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
Career total: at least 413 works. 201 are in this corpus.Showing the 50 most recent.

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