Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...115...69v&link_type=abstract
Astronomy and Astrophysics, vol. 115, no. 1, Nov. 1982, p. 69-78.
Astronomy and Astrophysics
Astrophysics
24
Binary Stars, Stellar Luminosity, Supernovae, Wolf-Rayet Stars, X Ray Sources, X Ray Stars, Absorption Spectra, B Stars, O Stars, Stellar Evolution, Stellar Mass Ejection, Stellar Winds, X Ray Spectra
Scientific paper
Two problems concerning WR + compact star binaries are addressed. The first has to do with the mass loss of WR stars by stellar wind. It is not expected that hard X-ray radiation will be observed in WR + compact systems; the question whether the column density in the WR wind is large enough to absorb all hard X rays is discussed. The second problem is considered within the framework of the general evolutionary scenario for massive close binaries. Here, the number of WR + compact star systems compared with the number of WR + OB binaries is estimated, and the binary survival probability during the SN explosion for very massive primaries is discussed. It is concluded that the number frequency of WR + compact star binaries compared with WR + OB systems may be as low as 20%.
de Loore Camiel
van Rensbergen Walter
Vanbeveren Dany
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