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Origin and Evolution of Wolf-Rayet Stars

Published online by Cambridge University Press:  14 August 2015

A. Tutukov  and
L. Yungelson
A. Tutukov
Affiliation:
Astronomical Council, USSR Ac. of Sci.
L. Yungelson
Affiliation:
Astronomical Council, USSR Ac. of Sci.

Abstract

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The larger part of close binary components with initial mass exceeding ∼20 Mo becomes WR stars in the core helium burning stage. Some of the most massive WR stars may be products of evolution of single massive stars with initial masses exceeding ∼50 M0 if the mass loss in the infrared supergiant stage is effective enough. The Ledoux criterion of convective stability seems more promising to explain the observed properties of WR stars.

Type
SESSION 5 — EVOLUTIONARY STATUS OF WOLF-RAYET STARS
Information
Symposium - International Astronomical Union , Volume 99: Wolf-Rayet Stars: Observations, Physics, Evolution , 1982 , pp. 377 - 381
Copyright
Copyright © Reidel 1982 

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