Carbon, nitrogen, and oxygen abundances in Sirius and VEGA

Details Carbon, nitrogen, and oxygen abundances in Sirius and VEGA Carbon, nitrogen, and oxygen abundances in Sirius and VEGA

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...254..663l&link_type=abstract

Astrophysical Journal, Part 1, vol. 254, Mar. 15, 1982, p. 663-669. Research supported by the Robert A. Welch Foundation

Astronomy and Astrophysics

Astrophysics

72

A Stars, Abundance, Carbon Stars, Peculiar Stars, Stellar Atmospheres, Stellar Spectra, Atmospheric Composition, Line Spectra, Nitrogen, Oxygen, Stellar Spectrophotometry

Scientific paper

Carbon, nitrogen, and oxygen abundances are obtained from C I, N I, and
O I high excitation permitted lines in the spectra of the standard A
star Vega and the 'hot' Am star Sirius. Vega has normal abundances.
Relative to Vega, Sirius is C deficient by 0.60 dex, N enhanced by 0.22
dex, and O deficient by 0.27 dex.

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