Protecting Life in the Milky Way: Metals Keep the GRBs Away

Protecting Life in the Milky Way: Metals Keep the GRBs Away

The host galaxies of the five local, z less than or equal to 0.25, long-duration gamma-ray bursts (GRBs 980425, 020903, 030329, 031203 and 060218), each of which had a well-documented associated supernova, are all faint and metal-poor compared to the population of local star-forming galaxies. We qua...

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Veröffentlicht in:Acta astronomica 2006-01, Vol.56 (4), p.333-345
Hauptverfasser: Stanek, K Z, Gnedin, O Y, Beacom, J F, Gould, A P, Johnson, JA, Kollmeier, JA, Modjaz, M, Pinsonneault, M H, Pogge, R, Weinberg, D H
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Sprache:eng
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Zusammenfassung:The host galaxies of the five local, z less than or equal to 0.25, long-duration gamma-ray bursts (GRBs 980425, 020903, 030329, 031203 and 060218), each of which had a well-documented associated supernova, are all faint and metal-poor compared to the population of local star-forming galaxies. We quantify this statement by using a previous analysis of star-forming galaxies (0.005< z
ISSN:0001-5237