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Abhimat Gautam
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Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole
T Do, A Hees, A Ghez, GD Martinez, DS Chu, S Jia, S Sakai, JR Lu, ...
Science 365 (6454), 664-668, 2019
3542019
Unprecedented Near-infrared Brightness and Variability of Sgr A
T Do, G Witzel, AK Gautam, Z Chen, AM Ghez, MR Morris, EE Becklin, ...
The Astrophysical Journal Letters 882 (2), L27, 2019
782019
Investigating the Binarity of S0-2: Implications for its Origins and Robustness as a Probe of the Laws of Gravity around a Supermassive Black Hole
DS Chu, T Do, A Hees, A Ghez, S Naoz, G Witzel, S Sakai, S Chappell, ...
The Astrophysical Journal 854 (1), 12, 2018
732018
Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center
A Hees, T Do, BM Roberts, AM Ghez, S Nishiyama, RO Bentley, ...
Physical review letters 124 (8), 081101, 2020
572020
The Galactic Center: improved relative astrometry for velocities, accelerations, and orbits near the supermassive black hole
S Jia, JR Lu, S Sakai, AK Gautam, T Do, MW Hosek, AM Ghez, ...
The Astrophysical Journal 873 (1), 9, 2019
432019
The Galactic Center: an improved astrometric reference frame for stellar orbits around the supermassive black hole
S Sakai, JR Lu, A Ghez, S Jia, T Do, G Witzel, AK Gautam, A Hees, ...
The Astrophysical Journal 873 (1), 65, 2019
332019
An adaptive optics survey of stellar variability at the galactic center
AK Gautam, T Do, AM Ghez, MR Morris, GD Martinez, MW Hosek, JR Lu, ...
The Astrophysical Journal 871 (1), 103, 2019
312019
Spisea: a Python-based simple stellar population synthesis code for star clusters
MW Hosek Jr, JR Lu, CY Lam, AK Gautam, KE Lockhart, D Kim, S Jia
The Astronomical Journal 160 (3), 143, 2020
262020
On Socially Distant Neighbors: Using Binaries to Constrain the Density of Objects in the Galactic Center
SC Rose, S Naoz, AK Gautam, AM Ghez, T Do, D Chu, E Becklin
The Astrophysical Journal 904 (2), 113, 2020
222020
Keck All sky Precision Adaptive optics program overview
P Wizinowich, JR Lu, S Cetre, J Chin, C Correia, JR Delorme, L Gers, ...
Adaptive Optics Systems VIII 12185, 193-207, 2022
132022
Consistency of the Infrared Variability of SGR A* over 22 yr
Z Chen, E Gallego-Cano, T Do, G Witzel, AM Ghez, R Schödel, ...
The Astrophysical journal letters 882 (2), L28, 2019
132019
Envisioning the next decade of Galactic Center science: a laboratory for the study of the physics and astrophysics of supermassive black holes
T Do, A Ghez, JR Lu, M Morris, M Hosek Jr, A Hees, S Naoz, A Ciurlo, ...
arXiv preprint arXiv:1903.05293, 2019
102019
Proc. IAU Symp. 322, The Multi-Messenger Astrophysics of the Galactic Centre
AK Gautam, RM Crocker, SN Longmore, GV Bicknell
Proceedings of the International Astronomical Union, Cambridge, 2017
92017
Evidence of a Decreased Binary Fraction for Massive Stars within 20 milliparsecs of the Supermassive Black Hole at the Galactic Center
DS Chu, T Do, A Ghez, AK Gautam, A Ciurlo, KK O’neil, MW Hosek, ...
The Astrophysical Journal 948 (2), 94, 2023
72023
The Swansong of the Galactic Center Source X7: An Extreme Example of Tidal Evolution near the Supermassive Black Hole
A Ciurlo, RD Campbell, MR Morris, T Do, AM Ghez, EE Becklin, ...
The Astrophysical Journal 944 (2), 136, 2023
62023
Testing the gravitational theory with short-period stars around our Galactic Center
A Hees, AM Ghez, T Do, JR Lu, MR Morris, EE Becklin, G Witzel, A Boehle, ...
arXiv preprint arXiv:1705.10792, 2017
62017
AIROPA IV: Validating point spread function reconstruction on various science cases
SK Terry, JR Lu, P Turri, A Ciurlo, A Gautam, T Do, MP Fitzgerald, A Ghez, ...
Journal of Astronomical Telescopes, Instruments, and Systems 9 (1), 018003 …, 2023
52023
Evaluating the performance of the Keck Observatory adaptive optics systems on crowded field data using different adaptive optics configurations
DS Chu, W Ning, T Do, A Ghez, P Wizinowich, JR Lu, AK Gautam, ...
Adaptive Optics Systems VIII 12185, 1245-1253, 2022
22022
Analyzing long-term performance of the Keck-II adaptive optics system
E Ramey, JR Lu, R Yin, S Robinson, P Wizinowich, S Ragland, J Lyke, ...
Adaptive Optics Systems VII 11448, 1010-1026, 2020
22020
Unprecedented variability of Sgr A* in NIR
T Do, G Witzel, AK Gautam, Z Chen, AM Ghez, MR Morris, EE Becklin, ...
arXiv preprint arXiv:1908.01777, 2019
22019
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