Lithium Abundances of Extremely Metal-Poor Turnoff Stars

  title={Lithium Abundances of Extremely Metal-Poor Turnoff Stars},
  author={Wako Aoki and Paul S. Barklem and Timothy C. Beers and Norbert Christlieb and S. Inoue and Ana Elia Garc{\'i}a P{\'e}rez and John E. Norris and Daniela Carollo},
  journal={The Astrophysical Journal},
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 H alpha and H beta. While seven stars have Li abundances as high as the Spite Plateau value, the remaining four… Expand
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