Accuracy of the relativistic Cowling approximation in slowly rotating stars

被引：80

作者：

Yoshida, S ^{[1
]}

Kojima, Y ^{[1
]}

机构：

[1] HIROSHIMA UNIV,DEPT PHYS,HIGASHIHIROSHIMA 739,JAPAN

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1997年 / 289卷 / 01期

关键词：

stars; neutron; oscillations;

D O I：

10.1093/mnras/289.1.117

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have calculated the non-radial oscillation in slowly rotating relativistic stars using the Cowling approximation. The frequencies are compared with those based on the complete linearized equations of general relativity. It is found that the results with the approximation differ by less than about 20 per cent for typical relativistic stellar models. The approximation is more accurate for higher order modes as in the Newtonian case.

引用

页码：117 / 122

页数：6

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