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arxiv: astro-ph/0102289 · v1 · submitted 2001-02-16 · 🌌 astro-ph

The Trans-Relativistic Blast Wave Model for SN 1998bw and GRB 980425

Jonathan C. Tan (1) , Christopher D. Matzner (2) , Christopher F. McKee (1 , 3) ((1) Dept. of Astronomy , UC Berkeley; (2) CITA; (3) Dept. of Physics , UC Berkeley) This is my paper
classification 🌌 astro-ph
keywords supernovamodelproduceradioshockstellaracceleratesblast
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The spatiotemporal coincidence of supernova (SN) 1998bw and gamma-ray burst (GRB) 980425 and this supernova's unusual optical and radio properties have prompted many theoretical models that produce GRBs from supernovae. We review the salient features of our simple, spherical model in which an energetic supernova explosion shock accelerates a small fraction of the progenitor's stellar envelope to mildly relativistic velocities. This material carries sufficient energy to produce a weak GRB and a bright radio supernova through an external shock against a dense stellar wind.

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