Proceedings of the International Astronomical Union


The Interplay among Black Holes, Stars and ISM Galactic Nuclei
ORAL CONTRIBUTIONS

The extremes of (X-ray) variability among galaxies: Flares from stars tidally disrupted by supermassive black holes


S. Komossa a1
a1 Max-Planck-Institut fuer extraterrestrische Physik, Giessenbachstr., 85748 Garching, Germany email: skomossa@mpe.mpg.de

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komossa s   [Google Scholar] 
 
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Abstract

We discuss follow-up X-ray observations of giant-amplitude, non-recurrent X-ray flares, interpreted as tidal disruptions of stars by supermassive black holes at the centers of the flaring galaxies. The flare observations open up a new window to study supermassive black holes and their environment, and the physics of accretion events, in non-active galaxies.



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