Evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Galaxy, from a NLTE analysis - Archive ouverte HAL
Communication Dans Un Congrès Année : 2010

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

Résumé

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.
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Dates et versions

hal-03743253 , version 1 (02-08-2022)

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Monique Spite, François Spite, Piercarlo Bonifacio, Vanessa Hill, Sergei Andrievsky, et al.. Evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Galaxy, from a NLTE analysis. Chemical Abundances in the Universe - Connecting First Stars to Planets, IAU Symposium 265, Aug 2009, Rio de Janeiro, Brazil, Brazil. pp.380-381, ⟨10.1017/S174392131000102X⟩. ⟨hal-03743253⟩
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