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Gamma-Ray Bursts and Type Ic Supernova SN 1998bw

Woosley, S; Eastman, R; Schmidt, Brian

Description

Recently a Type Ic supernova, SN 1998bw, was discovered coincident with a gamma-ray burst, GRB 980425. The supernova had unusual radio, optical, and spectroscopic properties. Among other things, it was especially bright for a Type Ic both optically and in the radio, and it rose quickly to maximum. We explore here models based upon helium stars in the range 9-14 M⊙ and carbon-oxygen stars 6-11 M⊙, which experience unusually energetic explosions (kinetic energy 0.5-2.8 × 1052 ergs). Bolometric...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
URI: http://hdl.handle.net/1885/94504
Source: Astrophysical Journal, The

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