682 citations · 5.5k across the 45 of their papers we have counts for
Showing 2019 · astro-ph.GAShow all
2 papers · 2 filters
astro-ph.GA2019★ 97 cited
Unprecedented variability of Sgr A* in NIR
Tuan Do, Gunther Witzel, Abhimat K. Gautam +10
The electromagnetic counterpart to the Galactic center supermassive black hole, Sgr A*, has been observed in the near-infrared for over 20 years and is known to be highly variable.…
astro-ph.GA2019★ 497 cited
Relativistic redshift of the star S0-2 orbiting the Galactic center supermassive black hole
Tuan Do, Aurelien Hees, Andrea Ghez +26
General Relativity predicts that a star passing close to a supermassive black hole should exhibit a relativistic redshift. We test this using observations of the Galactic center st…