The structure of cool accretion disks in semidetached binaries

被引：52
|
作者：
Bisikalo, DV [1 ]
Boyarchuk, AA
Kaigorodov, PV
Kuznetsov, OA
Matsuda, T
机构：
[1] Astron Inst, Moscow, Russia
[2] MV Keldysh Appl Math Inst, Moscow 125047, Russia
[3] Kobe Univ, Kobe, Hyogo, Japan
来源：
ASTRONOMY REPORTS | 2004年 / 48卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1767212
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
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. (C) 2004 MAIK "Nauka/Interperiodica".
引用
收藏
页码：449 / 456
页数：8
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