Stellar orbits around Sgr A*

Details Stellar orbits around Sgr A* Stellar orbits around Sgr A*

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..54..288t&link_type=abstract

"Journal of Physics: Conference Series, Volume 54, Proceedings of "The Universe Under the Microscope - Astrophysics at High Angu

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

In this article we present and discuss the latest results from the observations of stars (''S-stars'') orbiting Sgr A*. With improving data quality the number of observed S-stars has increased substantially in the last years. The combination of radial velocity and proper motion information allows an ever more precise determination of orbital parameters and of the mass of and the distance to the supermassive black hole in the centre of the Milky Way. Additionally, the orbital solutions allow us to verify an agreement between the NIR source Sgr A*and the dynamical centre of the stellar orbits to within 2 mas.

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