Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..87..357d&link_type=abstract
Astrophysics and Space Science, vol. 87, no. 1-2, Oct. 1982, p. 357-375. Fonds de la Recherche Fondamentale Collective
Astronomy and Astrophysics
Astrophysics
8
B Stars, Binary Stars, O Stars, Stellar Evolution, Stellar Mass, Wolf-Rayet Stars, Galactic Clusters, Milky Way Galaxy, Open Clusters, Stellar Mass Ejection, Time Dependence
Scientific paper
Using the definition of four important events in the evolution of Massive Close Binary systems, five observable evolutionary phases are defined in the life of a Massive Close Binary system: OB plus OB, WR plus OB, C plus OB, C plus WR, and WR plus WR. A number of observable phenomena are defined and computed for large groups of Massive Close Binaries. For one burst of star formation, the number of systems in different evolutionary phases is computed, along with the total mass loss as functions of the time. For continuous star formation, the fraction of WR binary stars, occurring in different phases of massive close binary evolution, and a number of average quantities (mass, mass ratio) of WR binary systems are determined. The results are compared with observations of WR binaries in the Galaxy and in Open Clusters.
de Greve Jean-Pierre
Doom Cl.
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