How Massive the Wolf-Rayet Stars are ?

  • Virpi S. Niemelä
Part of the Astrophysics and Space Science Library book series (ASSL, volume 89)


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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  1. Bracher, K.: 1968, Publ.Astr.Soc.Pacific 80, 165ADSCrossRefGoogle Scholar
  2. Conti, P.S.: 1976, Mem.Soc.Royal Sci.Liege 9, 193ADSGoogle Scholar
  3. Massey, P.: 1980, Astrophys.J. (in press)Google Scholar
  4. Massey, P. and Niemelä,V.S.:1980, Astrophys.J. (in press)Google Scholar
  5. Paczynski. B.: 1967, Acta Astr. 20, 47ADSGoogle Scholar

Copyright information

© D. Reidel Publishing Company 1981

Authors and Affiliations

  • Virpi S. Niemelä
    • 1
    • 2
  1. 1.Instituto de Astronomia y Fisica del EspacioBuenos AiresArgentina
  2. 2.Instituto Argentino de RadioastronomiaBuenos AiresArgentina

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