Galactic Evolution of Nitrogen

Abstract

We present detailed spectroscopic analysis of nitrogen abundances in 31 unevolved metal-poor stars analysed by spectral synthesis of the near-UV NH band at 3360Å observed at high resolution with various telescopes. We found that [N/Fe] scales with that of iron in the metallicity range −3.1 <[Fe/H]< 0 with the slope 0.01±0.02. Furthermore, we derive uniform… (More)

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