Evolution of non-synchronized binary systems

被引:0
|
作者
Runqian Huang
Yirong Zeng
机构
[1] Yunnan Observatory,United Laboratory of Optical Astronomy
[2] Chinese Academy of Sciences,undefined
[3] NAOCAS,undefined
来源
Science in China Series A: Mathematics | 2000年 / 43卷
关键词
binary evolution; non-synchronization;
D O I
暂无
中图分类号
学科分类号
摘要
A model for binary evolution is introduced which can determine whether the rotation of components is synchronized with the orbital motion, and can calculate the evolution of both the synchronized and non-synchronized binary systems. With this model, the evolution of a binary system consisting of a 9 M⊙ star and a 6 M⊙ star is studied with mass transfer Case B. The result shows that the synchronization of the rotational and orbital periods can be reached when the binary system is a detached system and before the occurrence of the first mass transfer. After the onset of the first mass transfer, the binary system becomes non-synchronized. The mass accepted component (the secondary) rotates faster with a period much smaller than that of the orbital motion.
引用
收藏
页码:331 / 336
页数:5
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