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Measured metallicities at the sites of nearby broad-lined type Ic supernovae and implications for the supernovae gamma-ray burst connection

Modjaz, Miryam; Kewley, Lisa; Kirshner, Robert P; Stanek, K Z; Challis, Peter M; Garnavich, Peter M; Greene, J E; Kelly, P L; Prieto, J L

Description

We compare the chemical abundances at the sites of 12 nearby (z < 0.14) Type Ic supernovae (SN Ic) that showed broad lines, but had no observed gamma-ray burst (GRB), with the chemical abundances in five nearby (z < 0.25) galaxies at the sites of GRBs where broad-lined SN Ic were seen after the fireball had faded. It has previously been noted that GRB hosts are low in luminosity and low in their metal abundances. If low metallicity is sufficient to force the evolution of massive stars to end...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/82181
Source: Astronomical Journal
DOI: 10.1088/0004-6256/135/4/1136

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