The nitrogen abundance in WC stars

Details The nitrogen abundance in WC stars The nitrogen abundance in WC stars

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.218..325s&link_type=abstract

In ESA Fourth European IUE Conf. p 325-327 (SEE N84-35135 24-88)

Astronomy and Astrophysics

Astronomy

4

Abundance, Data Correlation, Nitrogen, Stellar Composition, Wolf-Rayet Stars, Iue, Spaceborne Astronomy, Spectroscopic Analysis, Stellar Atmospheres, Stellar Spectra

Scientific paper

Willis (1982) identifies tentatively an absorption at 1235 Å in the IUE spectrum of the WC star HD 192103 as blue shifted P Cygni absorption of N V λ1240. The presence of nitrogen in a WC star is of interest because this observation would disagree with the predictions of theoretical stellar evolution calculations. The authors reanalysed the IUE image of this Wolf-Rayet star. On the grounds of the reprocessed spectrum and of comparisons with the same wavelength region in other Wolf-Rayet spectra, the authors conclude that most probably nitrogen is not observed in the WC star HD 192103.

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