Theoretical continuum energy distributions for Wolf-Rayet stars

Details Theoretical continuum energy distributions for Wolf-Rayet stars Theoretical continuum energy distributions for Wolf-Rayet stars

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104.1164s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 682, p. 1164-1172.

Astronomy and Astrophysics

Astronomy

145

Continuous Radiation, Energy Distribution, Stellar Evolution, Stellar Temperature, Wolf-Rayet Stars, Atmospheric Models, Stellar Atmospheres

Scientific paper

We discuss the problem of assigning an effective temperature to models of stellar evolution in the Wolf-Rayet stage. We conclude that it is best to use models with different velocity laws depending on the stellar temperature. We follow the simplest approach and propose to use a standard law with beta = 1 for the cooler and beta = 2 for the hotter Wolf-Rayet stars. We present energy distributions from non-LTE model calculations with a beta = 2 velocity law. The new calculations, together with published results based on beta = 1, allow one to synthesize realistic spectra of starburst regions.

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