The number of evolved early-type close binaries in the Galaxy

Details The number of evolved early-type close binaries in the Galaxy The number of evolved early-type close binaries in the Galaxy

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...226...88m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 226, no. 1, Dec. 1989, p. 88-107.

Astronomy and Astrophysics

Astrophysics

88

Binary Stars, Milky Way Galaxy, Stellar Evolution, Wolf-Rayet Stars, X Ray Binaries, Mass Ratios, Stellar Mass, Stellar Mass Ejection, Stellar Winds

Scientific paper

This paper presents calculations of the expected fraction of the close-binary remnant formed by the case-B evolution of an early-type close binary system, among main-sequence stars, as a function of the stellar mass. The results of calculations are used to predict the total galactic number of massive binaries with one helium star component or one neutron-star component, as well as the numbers of descendants of these systems. The results of these predictions are compared with observations.

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