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

R. Di Stefano | Zendy; J. Greiner | Zendy; S. S. Murray | Zendy; Michael Garcia | Zendy

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

Author(s) -

R. Di Stefano,

J. Greiner,

S. S. Murray,

Michael Garcia

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/319835

Subject(s) - physics , astrophysics , galaxy , astronomy , galactic center , core (optical fiber) , black hole (networking) , computer network , routing protocol , routing (electronic design automation) , computer science , optics , link state routing protocol

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'' sourcedetected by Chandra at the center of M31 may be such a core; whether or not itis, the observations have shown that such a core is detectable, even in thecenter of a galaxy. We therefore explore the range of expected observationalsignatures and how they may be used to (1) test the hypothesis that the M31source is a remnant of tidal stripping and (2) discover evidence of black holesand disruption events in other galaxies.Comment: Four pages with 1 figure. Appeared in ApJL (2001, 551, L37

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