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An Update on Monitoring Stellar Orbits in the Galactic Center
Stefan Gillessen, Philipp Plewa, Frank Eisenhauer +9
Using 25 years of data from uninterrupted monitoring of stellar orbits in the Galactic Center, we present an update of the main results from this unique data set: A measurement of…
The G2+G2t complex as a fast and massive outflow?
A. Ballone, M. Schartmann, A. Burkert +8
Observations of the gas component of the cloud G2 in the Galactic Center have revealed its connection to a tail (G2t) lying on the same orbit. More recent studies indicate a connec…
Testing General Relativity with the Shadow Size of Sgr A*
Tim Johannsen, Avery E. Broderick, Philipp M. Plewa +7
In general relativity, the angular radius of the shadow of a black hole is primarily determined by its mass-to-distance ratio and depends only weakly on its spin and inclination. I…