The Oxygen Abundance of HE 1327-2326

Frebel, Anna; Christlieb, Norbert; Norris, John; Aoki, Wako; Asplund, Martin

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The Oxygen Abundance of HE 1327-2326

Date

2006

Authors

Frebel, Anna

Christlieb, Norbert

Norris, John

Aoki, Wako

Asplund, Martin

Publisher

IOP Publishing

Abstract

From a newly obtained VLT/UVES spectrum, we have determined the oxygen abundance of HE 1327-2326, the most iron-poor star known to date. Ultraviolet OH lines yield one-dimensional LTE abundances of [O/Fe]OH = 3.7 (subgiant case) and [O/Fe]OH = 3.4 (dwarf