On the evolution of low mas binary systems |
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Authors: | P R Amnuel O H Guseinov |
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Institution: | (1) Shemakha Astrophysical observatory, U.S.S.R. |
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Abstract: | The evolution of parameters of close binary systems containing a red dwarf (with mass loss) and a condensed star is investigated. The mass loss from the system and asynchronism of the red dwarf rotation are taken into consideration. The calculations show that if the initial mass ratioq
0 2 then during 107 yr the instability of mass loss process arises, and a bright X-ray source forms with luminosity close to the Eddington one. Ifq
0>2 then during the mass loss phase the bright X-ray source arises twice. The models explain the existence of the forbidden interval of orbital periods and the absence of systems with periods less than 80 min. |
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