The forbidden O/Fe ratio in metal-poor late-type stars

Details The forbidden O/Fe ratio in metal-poor late-type stars The forbidden O/Fe ratio in metal-poor late-type stars

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...169..201g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 169, no. 1-2, Nov. 1986, p. 201-207.

Astronomy and Astrophysics

Astrophysics

117

Iron, Late Stars, Oxygen, Stellar Composition, Supernovae, Forbidden Transitions, Galactic Evolution, Milky Way Galaxy

Scientific paper

The oxygen-to-iron ratio has been derived in eighteen late-type stars of different evolutionary status and chemical composition. Oxygen has been found to be slightly overabundant in metal-poor stars (i.e. [O/Fe] = 0.5±0.1 for [Fe/H] < -0.8). This result is similar to that obtained in previous studies. The presently derived abundances are briefly compared with theoretical models of galactic chemical evolution.

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