Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..339w&link_type=abstract
In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 339-34
Astronomy and Astrophysics
Astrophysics
3
Iue, Stellar Spectra, Ultraviolet Spectroscopy, Wolf-Rayet Stars, Stellar Evolution, Stellar Winds, Wind Velocity
Scientific paper
The authors present HIRES IUE (SWP+LWR) spectra of the WN6-C4 star HD 62910, the brightest of only three WN-C stars known in the Galaxy. The measured velocity widths of the WN and WC emission lines and P-Cygni profiles show a well-defined, single correlation with transition I.P., indicating that both sets of lines are formed in the same wind which has a 'WN6-like' v of 2200 km/s. The data strongly indicates that HD 62910 is a single star showing both WN6 and WC4 spectral features and is at the brief intermediate stage between a WNE and WC star. The evolutionary implications of this result are briefly discussed.
Stickland David J.
Willis Alan J.
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