Oxygen in 20 halo giants

Details Oxygen in 20 halo giants Oxygen in 20 halo giants

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...191..121b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 191, no. 1, Feb. 1988, p. 121-127. Research supported by the Fundacao de Ampar

Astronomy and Astrophysics

Astrophysics

185

Abundance, Charge Coupled Devices, Giant Stars, Halos, Oxygen, Stellar Spectra, Carbon, Metallicity, Nitrogen, Nuclear Fusion

Scientific paper

The [O I] λ6300.311 Å line was observed in 20 halo giants, using a CCD detector. Synthetic spectra are computed to obtain the oxygen abundance, where allowance is made for CO association. It is found that oxygen is overabundant relative to iron in the halo stars, confirming previous investigations. A mean value of [O/Fe] ≅ +0.35±0.15 is obtained in this work.

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