WB
Wolfgang Brandner
astro-ph.SRastro-ph.EPastro-phastro-ph.GAastro-ph.IMastro-ph.HEgr-qcastro-ph.COphysics.space-phArtifacts
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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Preprints & journals
389 papers in the corpus · 1995–2026A 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
High-Angular-Resolution Survey of Stars within 18 pc of the Sun: Part I2610.07481v2 · F. Carolina Rojas-Galindo, Valeri G. Orlov, Rene A. Mendez et al.2026 · 0 citationsarXiv
The Nancy Grace Roman Space Telescope Coronagraph Community Participation Program2609.18659v1 · Dmitry Savransky, Vanessa P. Bailey, Schuyler G. Wolff et al.2026 · 2 citationsD. Savransky et al. "The Nancy Grace Roman Space Telescope coronagraph community participation program", Proc. SPIE 13092, 2024
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: early calibration plan and pilot observation of a companion2608.17348v1 · Julien H. Girard, Eric Cady, Neil T. Zimmerman et al.2026 · 0 citationsarXiv
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
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
The SPHERE infrared survey for exoplanets (SHINE) V. Full sample characterization2605.27247v2 · V. Squicciarini, S. Desidera, G. Chauvin 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
Predicted incidence of Jupiter-like planets around white dwarfs2601.19531v1 · Alex Mauch-Soriano, Matthias R. Schreiber, Diego Correa 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
CoronaGraph Instrument Reference stars for Exoplanets (CorGI-REx) I. Preliminary Vetting and Implications for the Roman Coronagraph and Habitable Worlds Observatory2511.08862v1 · Justin Hom, Schuyler G. Wolff, Catherine A. Clark et al.2025 · 1 citationAJ 171 36 (2026)
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
Multiplicity of young isolated planetary mass objects in Taurus and Upper Scorpius2506.14380v2 · H. Bouy, G. Duchene, G. Strampelli et al.2025 · 2 citationsarXiv
Differentiating Formation Models with New Dynamical Masses for the PDS 70 Protoplanets2504.11210v2 · David Trevascus, Sarah Blunt, Valentin Christiaens et al.2025 · 12 citationsA&A 698, A19 (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)
Advancing European High-Contrast Imaging R&D Towards the Habitable Worlds Observatory2503.12707v1 · Iva Laginja, 'Oscar Carri'on-Gonz'alez, Romain Laugier et al.2025 · 0 citationsarXiv
The SPHERE infrared survey for exoplanets (SHINE). V. Complete observations, data reduction and analysis, detection performances, and final results2501.12002v1 · A. Chomez, P. Delorme, A.-M. Lagrange et al.2025 · 8 citationsA&A 697, A99 (2025)
The Roman coronagraph community participation program: observation planning2411.17868v1 · Schuyler G. Wolff, Jason Wang, Karl Stapelfeldt et al.2024 · 6 citationsarXiv
VLTI/GRAVITY Observations of AF Lep b: Preference for Circular Orbits, Cloudy Atmospheres, and a Moderately Enhanced Metallicity2411.05917v1 · William O. Balmer, Kyle Franson, Antoine Chomez et al.2024 · 31 citationsarXiv
The radiative-convective gap: fact or fiction?2410.16369v1 · Wolfgang Brandner, Artur Sorg, Siegfried Roser et al.2024 · 1 citationarXiv
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
Detection Limits of Thermal-Infrared Observations with Adaptive Optics: I. Observational Data2408.15324v1 · J. R. Sauter, W. Brandner, J. Heidt et al.2024 · 3 citationsarXiv
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)
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments2407.14601v1 · A. Marconi, M. Abreu, V. Adibekyan et al.2024 · 19 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)
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)
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 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
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