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A single low-energy, iron-poor supernova as the source of metals in the star SMSS J031300.36-670839.3

Keller, S C; Bessell, M S; Frebel, A; Casey, A R; Asplund, M; Jacobson, H R; Lind, K; Norris, J E; Yong, D; Heger, A; Magic, Z; Da Costa, Gary; Schmidt, Brian; Tisserand, P


The element abundance ratios of four low-mass stars with extremely low metallicities (abundances of elements heavier than helium) indicate that the gas out of which the stars formed was enriched in each case by at most a few--and potentially only one--low-energy supernova. Such supernovae yield large quantities of light elements such as carbon but very little iron. The dominance of low-energy supernovae seems surprising, because it had been expected that the first stars were extremely massive,...[Show more]

CollectionsANU Research Publications
Date published: 2014-02-27
Type: Journal article
Source: Nature
DOI: 10.1038/nature12990
Access Rights: Open Access


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