Dynamical evolution of M92 globular cluster

被引：0
|
作者：
de Oliveira, MR [1 ]
Fausti, A [1 ]
Dottori, H [1 ]
de Carvalho, RR [1 ]
机构：
[1] Observ Paris, LERMA, F-75014 Paris, France
来源：
NEW HORIZONS IN GLOBULAR CLUSTER ASTRONOMY | 2003年 / 296卷
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D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
N-body numerical simulations are used to study the dynamical evolution of the globular cluster M92 in the Galaxy gravitational field during the last Gyr, which corresponds to aproximately 8 perigalactic transits. The cluster was modelled with 128K particles covering a mass spectrum from 0.1-1.2 M-circle dot. During the simulation we observe the appearance of several hundreds of parsecs of long tidal tails, which tend to align with the cluster orbit. The model reproduces quite well the observed density profile and surface density map recently obtained by Testa et al. (2000), including the isodensities orientation.
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页码：137 / 138
页数：2
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