AG
A. M. Ghez
astro-ph.GAastro-phastro-ph.SRastro-ph.IMastro-ph.HEgr-qcastro-ph.EPastro-ph.COaccretionaccretion disks
On Valency
published · living versionsW_q9fcjjkx·v1 · currentpublished
The Shortest Known Period Star Orbiting our Galaxy's Supermassive Black Hole
with L. Meyer, R. Schoedel, S. Yelda, A. Boehle +5
1 version
W_76aty7uq·v1published
W_nhc9kasn·v1published
Preprints & journals
151 papers in the corpus · 1995–2026Absolute Motion of the Infrared Counterpart to Sagittarius A* in the Gaia Celestial Reference Frame 3 and Limits on an Intermediate-mass Black Hole Companion2609.04077v1 · Rebecca A. Lewis-Merrill, Tuan Do, Matthew W. Hosek Jr. et al.2026 · 0 citationsarXiv
A Kinematic Study of Wolf-Rayet Stars at the Galactic Center I: Binary Candidates and Constraints on the Binary Fraction2606.05521v1 · Rory O. Bentley, Tuan Do, Andrea Ghez et al.2026 · 0 citationsarXiv
First Observation of CO Emission and foreground absorption Toward the Galactic Center with JWST2602.20374v1 · J. Qiu, A. Ciurlo, M. R. Morris et al.2026 · 0 citationsarXiv
IRS 9: The Case for a Dynamically-Ejected Star from the Galactic Center2602.02666v1 · Matthew Hosek Jr., Tuan Do, Smadar Naoz et al.2026 · 0 citationsarXiv
A multiwavelength study of the Galactic center black hole candidate MAXI J1744-2942509.14465v3 · Shifra Mandel, Kaya Mori, Paul A. Draghis et al.2025 · 0 citationsarXiv
The HST-Gaia Near-Infrared Astrometric Reference Frame near the Milky Way Galactic Center2506.19933v1 · Matthew W. Hosek Jr., Tuan Do, Gregory D. Martinez et al.2025 · 1 citationarXiv
Tidal phenomena in the Galactic Center: The curious case of X72504.15337v2 · Wasif Shaqil, Diego Calder'on, Stephan Rosswog et al.2025 · 1 citationA&A 700, A134 (2025)
New Evidence for a Flux-independent Spectral Index of Sgr A* in the Near-infrared2411.11966v1 · Hadrien Paugnat, Tuan Do, Abhimat K. Gautam et al.2024 · 7 citationsarXiv
The Galactic Center in Color: Measuring Extinction with High-Proper-Motion Stars2408.03467v1 · Z. Haggard, A. M. Ghez, S. Sakai et al.2024 · 4 citationsarXiv
An Estimate of the Binary Star Fraction Among Young Stars at the Galactic Center: Possible Evidence of a Radial Dependence2401.12555v2 · Abhimat K. Gautam, Tuan Do, Andrea M. Ghez et al.2024 · 16 citationsarXiv
High-Resolution, Mid-Infrared Color Temperature Mapping of the Central 10 Arcseconds of the Galaxy2311.16394v1 · Cuc K. Dinh, Anna Cuirlo, Mark R. Morris et al.2023 · 0 citationsarXiv
The JWST Galactic Center Survey -- A White Paper2310.11912v8 · Rainer Schoedel, Steve Longmore, Jonny Henshaw et al.2023 · 6 citationsarXiv
Near-Infrared Flux Distribution of Sgr A* from 2005-2022: Evidence for an Enhanced Accretion Episode in 20192308.09749v1 · Grant C. Weldon, Tuan Do, Gunther Witzel et al.2023 · 13 citationsarXiv
Objects and primordial black holes2308.08623v1 · Marcos M. Flores, Alexander Kusenko, Andrea M. Ghez et al.2023 · 6 citationsPhys. Rev. D 108, L061301 (2023)
An Updated Reference Frame for the Galactic Inner Parsec2308.03147v1 · Jeremy Darling, Jennie Paine, Mark J. Reid et al.2023 · 6 citationsarXiv
Constraining a companion of the galactic center black hole, Sgr A*2307.16646v2 · Clifford M. Will, Smadar Naoz, Aur'elien Hees et al.2023 · 24 citationsAstrophys. J. 959, 58 (2023)
The Galactic Center with Roman2306.12485v1 · Sean K. Terry, Matthew W. Hosek Jr., Jessica R. Lu et al.2023 · 2 citationsarXiv
The Orbital Eccentricities of Directly Imaged Companions Using Observable-Based Priors: Implications for Population-level Distributions2306.04080v3 · Clarissa R. Do 'O, Kelly K. O'Neil, Quinn M. Konopacky et al.2023 · 32 citationsarXiv
The formation history of our Galaxy's nuclear stellar disc constrained from HST observations of the Quintuplet field2304.01791v1 · R. Schoedel, F. Nogueras-Lara, M. Hosek Jr et al.2023 · 19 citationsA&A 672, L8 (2023)
Evidence of a Decreased Binary Fraction for Massive Stars Within 20 Milliparsecs of the Supermassive Black Hole at the Galactic Center2303.16977v1 · Devin S. Chu, Tuan Do, Andrea Ghez et al.2023 · 21 citationsarXiv
Stellar Populations in the Central 0.5 pc of Our Galaxy III: The Dynamical Sub-structures2302.02040v1 · Siyao Jia, Ningyuan Xu, Jessica R. Lu et al.2023 · 22 citationsarXiv
The Swansong of the Galactic Center Source X7: An Extreme Example of Tidal Evolution near the Supermassive Black Hole2301.06562v1 · Anna Ciurlo, Randall D. Campbell, Mark R. Morris et al.2023 · 16 citationsarXiv
The Star Formation History of the Milky Way's Nuclear Star Cluster2212.01397v1 · Zhuo Chen, Tuan Do, Andrea M. Ghez et al.2022 · 40 citationsarXiv
AIROPA II: Modeling Instrumental Aberrations for Off-Axis Point Spread Functions in Adaptive Optics2210.10940v1 · Anna Ciurlo, Paolo Turri, Gunther Witzel et al.2022 · 4 citationsJournal of Astronomical Telescopes, Instruments, and Systems, Vol. 8, Issue 3, 038007 (September 2022)
AIROPA IV: Validating Point Spread Function Reconstruction on Various Science Cases2209.05489v1 · Sean K. Terry, Jessica R. Lu, Paolo Turri et al.2022 · 9 citationsarXiv
Measuring the Orbits of the Arches and Quintuplet Clusters using HST and Gaia: Exploring Scenarios for Star Formation Near the Galactic Center2208.08508v1 · Matthew W. Hosek Jr., Tuan Do, Jessica R. Lu et al.2022 · 15 citationsarXiv
Accurate uncertainty estimation in crowded fields: adaptive optics and speckle data2208.05483v1 · E. Gallego-Cano, R. Schodel, A. T. Gallego-Calvente et al.2022 · 0 citationsAO4ELT5 Proceedings 2017
AIROPA III: Testing Simulated and On-Sky Data2207.00548v1 · Paolo Turri, Jessica R. Lu, Gunther Witzel et al.2022 · 4 citationsarXiv
Regularized 3D spectroscopy with CubeFit: method and application to the Galactic Center Circumnuclear disk2204.11539v1 · Thibaut Paumard, Anna Ciurlo, Mark R. Morris et al.2022 · 4 citationsA&A 664, A97 (2022)
Measuring the alpha-abundance of subsolar-metallicity stars in the Milky Way's central half-parsec: testing globular cluster and dwarf galaxy infall scenarios2112.02649v1 · Rory O. Bentley, Tuan Do, Wolfgang Kerzendorf et al.2021 · 8 citationsarXiv
The InfraRed Imaging Spectrograph (IRIS) for TMT: photometric characterization of anisoplanatic PSFs and testing of PSF-Reconstruction via AIROPA2103.15779v1 · Nils Rundquist, Shelley A. Wright, Matthias Schoeck et al.2021 · 3 citationsProceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114472Z (13 December 2020)
Upper Limit on Brackett-gamma Emission from the Immediate Accretion Flow onto the Galactic Black Hole2102.13096v1 · Anna Ciurlo, Mark R. Morris, Randall D. Campbell et al.2021 · 12 citationsarXiv
Rapid Variability of Sgr A* across the Electromagnetic Spectrum2011.09582v2 · G. Witzel, G. Martinez, S. P. Willner et al.2020 · 79 citationsarXiv
Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center.32167338 · Hees, A, Do, T, Roberts, B M et al.2020 · 55 citationsPhysical review letters. 2020;124(8):081101
A population of dust-enshrouded objects orbiting the Galactic black hole.31942053 · Ciurlo, Anna, Campbell, Randall D, Morris, Mark R et al.2020 · 76 citationsNature. 2020;577(7790):337-340
A hidden friend for the galactic center black hole, Sgr A*1912.04910v1 · Smadar Naoz, Clifford M. Will, Enrico Ramirez-Ruiz et al.2019 · 69 citationsAstrophys. J. Lett. 888, L8, 9 (2020)
Multiwavelength Light Curves of Two Remarkable Sagittarius A* Flares.32801381 · Fazio, G G, Hora, J L, Witzel, G et al.2025 · 34 citationsThe Astrophysical journal. 2019;864(1)
Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole.31346138 · Do, Tuan, Hees, Aurelien, Ghez, Andrea et al.2019 · 498 citationsScience (New York, N.Y.). 2019;365(6454):664-668
An adaptive scheduling tool to optimize measurements to reach a scientific objective: methodology and application to the measurements of stellar orbits in the Galactic Center1906.03099v1 · A. Hees, A. Dehghanfar, T. Do et al.2019 · 5 citationsApJ 880, 87, 2019
Envisioning the next decade of Galactic Center science: a laboratory for the study of the physics and astrophysics of supermassive black holes1903.05293v1 · Tuan Do (UCLA), Andrea Ghez (UCLA), Jessica R. Lu et al.2019 · 10 citationsarXiv
The Fate of Binaries in the Galactic Center: The Mundane and the Exotic1903.00010v2 · Alexander P. Stephan, Smadar Naoz, Andrea M. Ghez et al.2019 · 95 citationsarXiv
The Galactic Center: An Improved Astrometric Reference Frame for Stellar Orbits around the Supermassive Black Hole1901.08685v1 · Shoko Sakai, Jessica R. Lu, Andrea Ghez et al.2019 · 34 citationsarXiv
An Adaptive Optics Survey of Stellar Variability at the Galactic Center1811.04898v1 · Abhimat Krishna Gautam., Tuan Do, Andrea M. Ghez et al.2018 · 32 citationsThe Astrophysical Journal, 871:103 (32pp), 2019 January 20
Improving Orbit Estimates for Incomplete Orbits with a New Approach to Priors -- with Applications from Black Holes to Planets1809.05490v2 · K. Kosmo O'Neil, G. D. Martinez, A. Hees (1 et al.2018 · 36 citationsAJ, 158, 4 (2019)
Super-Solar Metallicity Stars in the Galactic Center Nuclear Star Cluster: Unusual Sc, V, and Y Abundances1802.08270v2 · Tuan Do, Wolfgang Kerzendorf, Quinn Konopacky et al.2018 · 57 citationsarXiv
Confusing binaries: the role of stellar binaries in biasing disk properties in the Galactic Center1801.03934v1 · Smadar Naoz, Andrea M. Ghez, Aurelien Hees et al.2018 · 39 citationsarXiv
Measuring the effects of General Relativity at the Galactic Center with Future Extremely Large Telescopes1711.06389v1 · Tuan Do, Aurelien Hees, Arezu Dehghanfar et al.2017 · 6 citationsarXiv
Investigating the Binarity of S0-2: Implications for its Origins and Robustness as a Probe of the Laws of Gravity around a Supermassive Black Hole1709.04890v2 · Devin S. Chu, Tuan Do, Aurelien Hees et al.2017 · 68 citationsarXiv
The Post-Periapse Evolution of Galactic Center Source G1: The second case of a resolved tidal interaction with a supermassive black hole1707.02301v1 · Gunther Witzel, Breann. N. Sitarski, Andrea M. Ghez et al.2017 · 46 citationsarXiv
Near-Infrared Variability Study of the Central 2.3 arcmin x 2.3 arcmin of the Galactic Centre II. Identification of RR Lyrae Stars in the Milky Way Nuclear Star Cluster1706.03299v2 · Hui Dong, Rainer Schodel, Benjamin F. Williams et al.2017 · 32 citationsarXiv
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