The structure of cool accretion disks in semidetached binaries

被引：0
|
作者：
D. V. Bisikalo
A. A. Boyarchuk
P. V. Kaigorodov
O. A. Kuznetsov
T. Matsuda
机构：
[1] Institute of Astronomy,
[2] Keldysh Institute of Applied Mathematics,undefined
[3] Kobe University,undefined
来源：
Astronomy Reports | 2004年 / 48卷
关键词：
Qualitative Analysis; Accretion Disk; Spiral Wave; Observational Manifestation; Semidetached Binary;
D O I：
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学科分类号：
摘要：
We present a qualitative analysis of possible changes in the structure of accretion disks that occur in the transition from hot to cool disks. We suggest that an additional spiral-density wave can exist in the inner parts of the disk, where gas-dynamical perturbations are negligible. We consider the formation of this wave and its parameters. The results of a three-dimensional gas-dynamical simulation of a cool accretion disk are presented; these results confirm the possibility of the formation of a new, “precessional,” spiral wave in the inner regions of a cool accretion disk. Possible observational manifestations of such a wave are discussed.
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页码：449 / 456
页数：7
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