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A mini-supernova model for optical afterglows of GRB | | S.I.Blinnikov
; K.A.Postnov
; | | Date: |
17 Sep 1997 | | Journal: | Mon.Not.Roy.Astron.Soc. 293 (1998) L29-L32 | | Subject: | astro-ph | | Affiliation: | Institute for Theoretical and Experimental Physics, Moscow, Russia), K.A.Postnov (Faculty of Physics, Moscow State University, Russia | | Abstract: | An energy deposition of sim 10^{50} ergs into the exterior 10^{-3} M_sun layers of a red giant is calculated to produce an optical phenomenon similar to afterglows of gamma-ray bursts (GRB) recently observed. This model 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 Paczy’nski (1997), this model does not require a huge kinetic energy of the expanding shell to explain optical afterglows of GRB. | | Source: | arXiv, astro-ph/9709172 | | Services: | Forum | Review | PDF | Favorites | |
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