The oxygen abundance in metal-poor stars

Details The oxygen abundance in metal-poor stars The oxygen abundance in metal-poor stars

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...234..964s&link_type=abstract

Astrophysical Journal, Part 1, vol. 234, Dec. 15, 1979, p. 964-972. Research supported by the Robert A. Welch Foundation

Astronomy and Astrophysics

Astrophysics

166

Abundance, Nuclear Fusion, Oxygen, Stellar Atmospheres, Stellar Spectra, Dwarf Stars, Oxygen Spectra, Spectral Line Width, Supernovae

Scientific paper

Oxygen abundances in the atmospheres of a dozen unevolved stars of various metallicities (Fe/H in the closed interval -2.3 -0.3) have been derived. In nearly all cases, the metal-poor stars exhibit an enhanced oxygen triplet at 7700 A. Substantial overabundances of oxygen are indicated for the program stars. This result is discussed in the light of current galactic nucleosynthesis theories.

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