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Article
Stellar Oxygen Abundances III. The Oxygen Abundance of the very Metal Poor Halo Star BD -13 deg 3442
The Astrophysical Journal
  • Jeremy R King, Clemson University
Document Type
Article
Publication Date
5-19-1994
Publisher
The American Astronomical Society
Abstract
A spectrum of the very metal poor ((Fe/H) approximately -3) halo star BD -13 deg 3442 is presented and used to determine this star's oxygen abundance. Our determination makes BD -13 deg 3442 the most metal poor dwarf (though a somewhat evolved one) with an O abundance determination. The O abundance (determined from the 7774 A O I triped) and (O/Fe) ratio is compared to that of two other metal-poor stars. The (O/Fe) ratio of BD -13 deg 3442 is found to be approximately 0.35 dex larger than that of the other two halo stars. Possible implications of this result are discussed.
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