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Lithium Abundances of Extremely Metal-Poor Turnoff Stars

Aoki, Wako; Barklem, Paul S; Beers, Timothy C; Christlieb, N; Inoue, Susumu; Garcia Perez, Ana; Norris, John; Carollo, Daniela

Description

We have determined Li abundances for eleven metal-poor turnoff stars, among which eight have [Fe/H] < -3, based on LTE analyses of high-resolution spectra obtained with the High Dispersion Spectrograph on the Subaru Telescope. The Li abundances for four of these eight stars are determined for the first time by this study. Effective temperatures are determined by a profile analysis of Hα and Hβ. While seven stars have Li abundances as high as the Spite Plateau value, the remaining four objects...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/30873
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/698/2/1803

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