THE TIDAL SIZES OF OPEN CLUSTERS IN THE COMBINED FIELD OF THE GALAXY AND A GAS-STAR COMPLEX

被引：0
|
作者：
DANILOV, VM
机构：
来源：
ASTRONOMICHESKII ZHURNAL | 1991年 / 68卷 / 03期
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The estimates of the tidal radius of an open star cluster (OCl) in the joint field of the Galaxy and the gas-star complex (GSC) have been obtained. The mass of the complex is about 10(7) m.. The clusters moving together with GSC and the clusters leaving GSC have tidal sizes less by factors 1,5-2,5 and 1,2-1,25 respectively than the clusters affected by the Galaxy field alone. There is discussed the influence of graviational field of Local system on OCl's tidal sizes as one of the possible causes of dependence of their linear diameters on galactocentric distances in the Solar neighbourhood.
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页码：487 / 500
页数：14
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