Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..123t&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 11, Feb. 1985, p. 123-132) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, Jan.-Feb
Astronomy and Astrophysics
Astronomy
15
Binary Stars, Stellar Evolution, Stellar Mass, Stellar Orbits, Angular Momentum, Cataclysmic Variables, Gravitational Waves, Mass Transfer, X Ray Binaries
Scientific paper
The evolution of low-mass close binaries with compact primaries and slightly evolved secondaries has been studied numerically taking into account the angular momentum loss due to a magnetic stellar wind and radiation of gravitational waves. The evolution of such systems leads to the formation of close binaries with orbital periods ≡20m - 80m, the mass exchange rate up to ≡10-9M_sun;/yr, and to the formation of a low-mass helium dwarf. Thus ultrashort-period cataclysmic and X-ray systems with periods lower than ≡80m can be formed.
Ergma E. V.
Fedorova Alexandra V.
Tutukov Aleksandr V.
Yungel'Son L. R.
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