Synthetic helium spectra for Wolf-Rayet stars - A grid of models

Details Synthetic helium spectra for Wolf-Rayet stars - A grid of models Synthetic helium spectra for Wolf-Rayet stars - A grid of models

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...194..160w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 194, no. 1-2, April 1988, p. 160-166.

Astronomy and Astrophysics

Astrophysics

76

Helium, Radiative Transfer, Stellar Mass Ejection, Stellar Spectra, Stellar Temperature, Wolf-Rayet Stars, Atmospheric Models, Spectral Line Width

Scientific paper

Theoretical profiles of the He I lines for Wolf-Rayet stars are presented, covering a large domain of stellar temperatures and radii. The present results are thus augmenting the authors' grid of synthetic He II spectra published previously. Line profiles, equivalent widths and peak intensities are given for the most prominent He I lines at 10830 Å and 5876 Å. As expected, the lines of neutral helium depend sensitively on the stellar temperature. Hence they will provide the key information for the quantitative interpretation of WR spectra.

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