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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, Stefan; Bessell, Michael; Frebel, Anna; Casey, Andrew; Asplund, Martin; Jacobson, Heather; Lind, K.; Norris, John; Yong, David; Heger, Alexander; Magic, Zazralt; Da Costa, Gary; Tisserand, Patrick


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 Skymapper
ANU Research Publications
Date published: 2014
Type: Journal article
Source: Nature
DOI: 10.1038/nature12990


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