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Are Gamma-Ray Bursts Signals of Supermassive Black Hole Formation?

Published online by Cambridge University Press:  25 May 2016

K. Abazajian ,
G. Fuller  and
X. Shi
K. Abazajian
Affiliation:
Department of Physics, University of California, San Diego, La Jolla, California 92093-0350
G. Fuller
Affiliation:
Department of Physics, University of California, San Diego, La Jolla, California 92093-0350
X. Shi
Affiliation:
Department of Physics, University of California, San Diego, La Jolla, California 92093-0350

Abstract

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The formation of supermassive black holes through the gravitational collapse of supermassive objects (M ≳ 5 × 104 M⊙) has been proposed as a source of cosmological γ-ray bursts. The major advantage of this model is that such collapses are far more energetic than stellar-remnant mergers. The major drawback of this idea is the severe baryon loading problem in one-dimensional models. We can show that the observed log N - log P (number vs. peak flux) distribution for gamma-ray bursts in the BATSE database is not inconsistent with an identification of supermassive object collapse as the origin of the gamma-ray bursts. This conclusion is valid for a range of plausible cosmological and γ-ray burst spectral parameters.

Type
III. AGN Theory and Models
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 235 - 240
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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