The evolution of dwarf binaries

Details The evolution of dwarf binaries The evolution of dwarf binaries

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sval....8..198t&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 8, June 1982, p. 365-370.) Soviet Astronomy Letters, vol. 8, May-June 1982, p. 198-201.

Astronomy and Astrophysics

Astronomy

22

Binary Stars, Dwarf Stars, Mass Transfer, Stellar Evolution, B Stars, Gravitational Waves, Roche Limit

Scientific paper

The circumstances of mass exchange in close binary systems whose components have a mass less than approximately 1 solar mass are analyzed for the case where the system is losing orbital angular momentum by radiation of gravitational waves. The mass exchange rate will depend on the mass ratio of the components and on the mass of the component that is overfilling its critical Roche lobe. A comparison of the observed orbital periods, masses of the components losing material, and mass exchange rates against the theoretical values for cataclysmic binaries indicates that the evolution of the close binaries WZ Sge, OY Car, Z Cha, TT Ari, 2A 0311 - 227, and G.61 - 29 may be driven by the emission of gravitational waves.

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