A spectroscopic study of luminous peculiar B-type stars

Details A spectroscopic study of luminous peculiar B-type stars A spectroscopic study of luminous peculiar B-type stars

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...261..482l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 261, no. 2, p. 482-492.

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Astronomical Spectroscopy, B Stars, Peculiar Stars, Stellar Luminosity, Abundance, Computational Astrophysics, Emission Spectra, Infrared Spectroscopy, Line Spectra, Spectral Line Width, Stellar Evolution

Scientific paper

We report new optical and IR spectroscopic data on 10 stars listed by Carlson & Henize (1979). Distances and reddening for most of the stars in our sample were estimated from the interstellar Na I line strength. P Cygni stars are more luminous and more massive than the others. They also have more intense Fe II optical emission. The data suggest that HD 326823 is highly evolved, having the surface abundances altered. This object is probably in a phase prior to the WR stage.

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