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Sulphur abundances in halo giants from the [S I] line at 1082 nm and the [S I] triplet around 1045 nm

Jonsson, H; Ryde, N; Nissen, Poul E; Collet, Remo; Eriksson, K.; Asplund, Martin; Gustafsson, B


Context. It is still debated whether or not the Galactic chemical evolution of sulphur in the halo follows the flat trend with [Fe/H] that is ascribed to the result of explosive nucleosynthesis in type II SNe. It has been suggested that the disagreement between different investigations of sulphur abundances in halo stars might be owing to problems with the diagnostics used, that a new production source of sulphur might be needed in the early Universe, like hypernovae, or that the deposition of...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201116855
Access Rights: Open Access


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