THE ROLE OF MAGNETIC STELLAR WIND IN THE EVOLUTION OF CATACLYSMIC BINARIES

被引：0
|
作者：
FEDOROVA, AV
TUTUKOV, AV
机构：
来源：
ASTRONOMICHESKII ZHURNAL | 1994年 / 71卷 / 03期
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暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The correlation between the deceleration rate of stellar rotation, and the mass of the star is discussed on base on data of rotation for main-sequence stars of the Hyades cluster, and field stars. It is shown, that magnetic stellar wind influences substantial the evolution of close binaries only, if the mass of the donor, a main-sequence star, does not exceed approximately 0.9 M.. In this paper the evolution of cataclysmic binaries with loss of orbital momentum, caused by magnetic stellar wind is studied. Four deceleration laws: the empirical Skumanich law, formulated for the equatorial velocity, and for the angular velocity, the empirical law by Maceroni and van't Veer, and the theoretical law by Schatzman are considered. To achieve compatibility between observed and theoretical gaps in periods of cataclysmic variables, the appropriate coefficients in the deceleration equations were obtained. The influence of various physical parameters of stellar evolution computations on the value of the theoretical gap in periods is studied.
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页码：431 / 441
页数：11
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