Oxygen abundances in unevolved metal-poor stars - Interpretation and consequences
The oxygen abundance has been determined by analysis of the O I infrared triplet in 30 unevolved field stars of metallicities in the range Fe/H abundance ratio between -0.2 and -3.5. The data show that the O/Fe abundance ratio increases monotonically as metallicity decreases from solar, reaching values in the range 1.0-1.2 at an Fe/H abundance
Abia, C. et al.
Fecha de publicación:
12
1989