Evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Galaxy, from a NLTE analysis.

Authors :: Spite, M.
Spite, F.
Bonifacio, P.
Hill, V.
Andrievsky, S.
Cayrel, R.
François, P.
Korotin, S.
Source :: Proceedings of the International Astronomical Union; 08/05/2009, Vol. 5 Issue S265, p380-381, 2p
Publication Year :: 2009
Abstract: In the framework of he ESO Large Program “First Stars”, high resolution (R=45000) high S/N ratio spectra have been obtained for a sample of Extremely Metal Poor Stars (EMP stars), 35 giants and 18 turnoff stars. Among them 37 have a very low metallicity: [Fe/H]< −2.9. [ABSTRACT FROM PUBLISHER]

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