High-Resolution Spectroscopy of 15 Metal-Poor Stars

Hyun Jin Jeong; Jae Woo Lee; Sug Whan Kim; A Ram Kang

doi:10.4028/www.scientific.net/KEM.277-279.851

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 277-279High-Resolution Spectroscopy of 15 Metal-Poor...

High-Resolution Spectroscopy of 15 Metal-Poor Stars

Abstract:

We present high-resolution chemical abundance results of 15 metal-poor dwarf stars in the solar neighborhood. Our metallicity measurements are in a good agreement with previous estimates. The stars under investigation have metallicities ranging from -1.6 to -2.8 with the mean value of [Fe/H] = -2.28. The mean values of elemental abundances are [O/Fe] = 0.73, [Na/Fe] = -0.16, [Ca/Fe] = 0.28, and [Ti/Fe] = 0.60. Our results are found to be consistent with those of giant metal-poor stars.

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Key Engineering Materials (Volumes 277-279)

Pages:

851-856

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.277-279.851

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Online since:

January 2005

Authors:

Hyun Jin Jeong, Jae Woo Lee, Sug Whan Kim, A Ram Kang

Keywords:

Abundances, Galaxy, Halo, Solar Neighborhood, Stars

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