JS
Jinyi Shangguan
astro-ph.GAastro-ph.SRastro-ph.EPastro-ph.IMastro-ph.HEgr-qcastro-ph.CO
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_gvqd3mhf·v1published
W_wtvfdjv6·v1published
W_ms5ca8v9·v1published
Preprints & journals
129 papers in the corpus · 2010–2026Ubiquitous nuclear disks and bars embedded in massive galaxies in the cosmic morning2609.27460v1 · Jianyuan Luo, Fangzhou Jiang, Jinning Liang et al.2026 · 0 citationsarXiv
Black Hole-Galaxy Correlations in Cluster Zoomed-in Simulations: GIZMO-SIMBA and TNG-Cluster2609.11191v1 · Hangxin Pu, Antonios Katsianis, Weiguang Cui et al.2026 · 0 citationsarXiv
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
A systematic study of AGN feedback in a disk galaxy using MACER. III. High Gas Fractions in AGN Hosts2608.25341v1 · Yuxuan Zou, Feng Yuan, Suoqing Ji 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
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
ABCD: The Nuclear Structure of the Little Red Dots Revealted through Absorption, Break, Continuum, and Decrement2606.04711v1 · Chang-Hao Chen, Jinyi Shangguan, Luis C. Ho et al.2026 · 0 citationsarXiv
The Extreme Rarity and Physical Properties of Low-redshift AGNs with Balmer Absorption2606.04712v1 · Jinyi Shangguan, Chang-Hao Chen, Luis C. Ho et al.2026 · 0 citationsarXiv
CSST Preparations: Galaxy Completeness and Sérsic Profile Fitting across the Wide, Deep, and Extreme Fields2604.24431v1 · Ziqi Ma, Si-Yue Yu, Taotao Fang et al.2026 · 0 citationsScience China Physics, Mechanics & Astronomy 69(8), 289513 (2026)
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
COSMOS-3D: Black Hole Mass Estimators and Luminosity Functions of Paschen-line AGNs2603.19548v1 · Danyang Jiang, Linhua Jiang, Shuqi Fu et al.2026 · 0 citationsarXiv
Evidence of Gas Depletion in Quasars with Moderate Radio Emission2601.17951v1 · Yuhan Wen, Ran Wang, Luis C. Ho et al.2026 · 0 citationsarXiv
Broad line regions behind haze: Intrinsic shape of Br line and its origin in a type-1 Seyfert galaxy2601.07211v2 · Keiichi Wada, Tohru Nagao, Taro Shimizu et al.2026 · 0 citationsarXiv
Cold Gas Infall onto A Brightest Group Galaxy via A Gas-Rich Minor Merger2512.13932v1 · Ming-Yang Zhuang, Jinyi Shangguan, Yuan Bian et al.2025 · 1 citationarXiv
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)
Multi-modal atmospheric characterization of Pictoris b: Adding high-resolution continuum spectra from GRAVITY2509.25338v2 · M. Ravet, M. Bonnefoy, G. Chauvin et al.2025 · 12 citationsA&A 704, A325 (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
Introduction to the Chinese Space Station Survey Telescope (CSST)2507.04618v3 · Yan Gong, Haitao Miao, Hu Zhan et al.2025 · 63 citationsSCIENCE CHINA Physics, Mechanics & Astronomy Volume 69, Issue 3: 239501 (2026)
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
The Emergence of Little Red Dots from Binary Massive Black Holes2505.05322v2 · Kohei Inayoshi, Jinyi Shangguan, Xian Chen et al.2025 · 4 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)
Galaxy morphologies at cosmic noon with JWST: A foundation for exploring gas transport with bars and spiral arms2503.21738v2 · Juan M. Espejo Salcedo, Stavros Pastras, Josef V'acha et al.2025 · 21 citationsA&A 700, A42 (2025)
The Origin of the Gas and Its Low Star Formation Efficiency in Quiescent Galaxies2503.11198v1 · Yang A. Li, Luis C. Ho, Jinyi Shangguan et al.2025 · 1 citationarXiv
Spectroscopic AGN survey at 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)
Spectroastrometry and Reverberation Mapping of Active Galactic Nuclei. II. Measuring Geometric Distances and Black Hole Masses of Four Nearby Quasars2502.18856v2 · Yan-Rong Li, Jinyi Shangguan, Jian-Min Wang et al.2025 · 7 citationsarXiv
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
Constraining Quasar Feedback from Analysis of the Hydrostatic Equilibrium of the Molecular Gas in Their Host Galaxies2409.15611v1 · Qinyue Fei, Ran Wang, Juan Molina et al.2024 · 1 citationarXiv
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
Observations of Microlensed Images with Dual-field Interferometry: On-sky Demonstration and Prospects2409.12227v2 · P. Mroz, S. Dong, A. Merand et al.2024 · 5 citationsApJ 980, 47 (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
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 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)
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)
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
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)
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
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
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
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