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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 Cluster
Hui Dong, Rainer Schodel, Benjamin F. Williams +8
Because of strong and spatially highly variable interstellar extinction and extreme source crowding, the faint (K>15) stellar population in the Milky Way's nuclear cluster is still…
The Post-Periapse Evolution of Galactic Center Source G1: The second case of a resolved tidal interaction with a supermassive black hole
Gunther Witzel, Breann. N. Sitarski, Andrea M. Ghez +13
We present new Adaptive Optics (AO) imaging and spectroscopic measurements of Galactic Center source G1 from W. M. Keck Observatory. Our goal is to understand its nature and relati…
Testing the gravitational theory with short-period stars around our Galactic Center
A. Hees, A. M. Ghez, T. Do +19
Motion of short-period stars orbiting the supermassive black hole in our Galactic Center has been monitored for more than 20 years. These observations are currently offering a new…
Testing General Relativity with stellar orbits around the supermassive black hole in our Galactic center
A. Hees, T. Do, A. M. Ghez +14
In this Letter, we demonstrate that short-period stars orbiting around the supermassive black hole in our Galactic Center can successfully be used to probe the gravitational theory…