Abstract
If the Wolf-Rayet stars are produced by the evolution of massive stars with mass loss (Paczynski 1967, Conti 1976) from O stars to WN stars and thereafter to WC stars, then we may expect to observe a correlation of decreasing mean masses in the same sense as the evolution. Information about the masses of WR stars are obtained from studies of binary systems with WR components. Table 1 presents the today available data for the WN type stars.
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References
Bracher, K.: 1968, Publ.Astr.Soc.Pacific 80, 165
Conti, P.S.: 1976, Mem.Soc.Royal Sci.Liege 9, 193
Massey, P.: 1980, Astrophys.J. (in press)
Massey, P. and Niemelä,V.S.:1980, Astrophys.J. (in press)
Paczynski. B.: 1967, Acta Astr. 20, 47
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© 1981 D. Reidel Publishing Company
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Niemelä, V.S. (1981). How Massive the Wolf-Rayet Stars are ?. In: Chiosi, C., Stalio, R. (eds) Effects of Mass Loss on Stellar Evolution. Astrophysics and Space Science Library, vol 89. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-8500-1_45
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DOI: https://doi.org/10.1007/978-94-009-8500-1_45
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