Relativistic Signatures at the Galactic Center

Details Relativistic Signatures at the Galactic Center Relativistic Signatures at the Galactic Center

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dmap.conf..328h&link_type=abstract

DARK MATTER IN ASTROPHYSICS AND PARTICLE PHYSICS . Proceedings of the 7th International Heidelberg Conference on Dark 2009 . Hel

Physics

Sgr A*, Light Curve, Hot Spot, Black Hole Physics, Galactic Center, Accretion Disc, Relativity Effects

Scientific paper

Studies of the inner few parsecs at the Galactic Centre provide evidence of a 4×106Mʘ supermassive black hole, associated with the unusual, variable radio and infrared source Sgr A*.
Our major aim is the study and analysis of the physical processes responsible for the variable emission from the compact radio source Sgr A*. In order to understand the physics behind the observed variability, we model the time evolution of the flare emitting region by studying light curves and spectra of emission originating at the surface of the accretion disk, close to the event horizon, near the marginally stable orbit of a rotating black hole.
Here we discuss the methods used in the analysis of the time-variable spectral features and subsequently present preliminary modeling results.

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