On the evolution of close binaries with components of initial mass between 3 solar masses and 12 solar masses

Details On the evolution of close binaries with components of initial mass between 3 solar masses and 12 solar masses On the evolution of close binaries with components of initial mass between 3 solar masses and 12 solar masses

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apjs...58..661i&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 58, Aug. 1985, p. 661-710.

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358

Binary Stars, Computational Astrophysics, Stellar Evolution, Stellar Mass Ejection, White Dwarf Stars, Abundance, Hertzsprung-Russell Diagram, Orbital Elements, Roche Limit, Stellar Cores, Stellar Envelopes, Stellar Mass Accretion, Stellar Models, Stellar Structure, Stellar Temperature

Scientific paper

The evolution of components of close binary systems of intermediate mass and of Population I composition is numerically studied. The evolution of components of initial mass in the 5-10 solar mass range which experience two phases of Roche lobe overflow and become CO degenerate dwarfs is first discussed. Then, the evolution of components of initial mass 10.5, 11, and 12 solar masses is examined, and the conditions necessary for the formation of ONe degenerate dwarfs are studied. The evolution of models of three and four solar masses that experience only one phase of Roche-lobe overflow and become degenerate dwarfs containing substantial amounts of helium is explored. A mapping that relates the mass and composition of a degenerate remnant to the mass and status of its progenitor is provided. The responses to accretion of a Roche-lobe-filling component and of a cold CO degenerate dwarf are examined. Extensive comparisons with other types of stars are made.

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