A New Way to Detect Massive Black Holes in Galaxies: The Stellar Remnants of Tidal Disruption

Details A New Way to Detect Massive Black Holes in Galaxies: The Stellar Remnants of Tidal Disruption A New Way to Detect Massive Black Holes in Galaxies: The Stellar Remnants of Tidal Disruption

2001-12-18

arxiv.org/abs/astro-ph/0112434v1

Di Stefano, R.; Greiner, J.; Murray, S.; Garcia, M. 2001, ApJ, 551L, 37

Astronomy and Astrophysics

Astrophysics

Four pages with 1 figure. Appeared in ApJL (2001, 551, L37)

Scientific paper

10.1086/319835

We point out that the tidal disruption of a giant may leave a luminous (10^35-10^39 ergs/s), hot (10-100 eV) stellar core. The ``supersoft'' source detected by Chandra at the center of M31 may be such a core; whether or not it is, the observations have shown that such a core is detectable, even in the center of a galaxy. We therefore explore the range of expected observational signatures and how they may be used to (1) test the hypothesis that the M31 source is a remnant of tidal stripping and (2) discover evidence of black holes and disruption events in other galaxies.

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