Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..291s&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Mar.-Apr. 1987, p. 291-305. In Russian.
Astronomy and Astrophysics
Astronomy
3
B Stars, Carbon, Hot Stars, Resonance Lines, Stellar Composition, Stellar Spectra, Abundance, Atmospheric Composition, Stellar Atmospheres, Thermodynamic Equilibrium
Scientific paper
An analysis of the 1335.3 Å, 1036.8 Å and 4267.2 Å C II lines has been carried out on the basis of a solution of the coupled statistical equilibrium and transfer equations. A comparison of the theoretical line intensities with the observed ones shows that the theoretical values exceed the observed ones for stars later than B2, assuming normal carbon abundance. Possible causes for such a deficiency of carbon in the atmospheres of B stars are discussed.
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