Journal Article

A mini-supernova model for optical afterglows of gamma-ray bursts

S. I. Blinnikov and K. A. Postnov

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 293, issue 1, pages L29-L32
Published in print January 1998 | ISSN: 0035-8711
Published online January 1998 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1046/j.1365-8711.1998.01251.x
A mini-supernova model for optical afterglows of gamma-ray bursts

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Abstract

An energy deposition of ∽1050 erg into the exterior 10−3 M layers of a red giant is calculated to produce an optical phenomenon similar to afterglows of gamma-ray bursts (GRB) recently observed. This mechanism can be realized if a GRB is generated by some mechanism in a close binary system. In contrast to a ‘hypernova’ scenario for GRB recently proposed by Paczyński, this model does not require huge kinetic energy in the expanding shell to explain optical afterglows of GRB.

Keywords: supernovae: general; gamma-rays: bursts

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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