Towards an N-body model for the globular cluster M4

被引：44
|
作者：
Heggie, Douglas C. [1 ,2 ]
机构：
[1] Univ Edinburgh, Sch Math, Edinburgh EH9 3JZ, Midlothian, Scotland
[2] Univ Edinburgh, Maxwell Inst Math Sci, Edinburgh EH9 3JZ, Midlothian, Scotland
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2014年 / 445卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
methods: numerical; globular clusters: individual: M4; MONTE-CARLO SIMULATIONS; MASSIVE STAR-CLUSTERS; BRIGHTNESS PROFILES; STELLAR EVOLUTION; MAIN-SEQUENCE; BINARY STARS; BLACK-HOLES; MILKY-WAY; NGC; 6397; CATALOG;
D O I：
10.1093/mnras/stu1976
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This paper describes an N-body model for the dynamical evolution of the nearby globular cluster M4. The initial conditions, with N=484 710 particles, were generated from a published study of this cluster with a Monte Carlo code. With the Monte Carlo code, these initial conditions led, after 12 Gyr of dynamical and stellar evolution, to a model which resembles M4 in terms of its surface brightness and velocity dispersion profiles, and its local luminosity function. Though the N-body model reported here is marred by some errors, its evolution can be compared with that of the published Monte Carlo model, with a result from the synthetic evolution code EMACSS, and with M4 itself.
引用
收藏
页码：3435 / 3443
页数：9
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