The stability of Wolf-Rayet stars

被引：20
|
作者：
Kiriakidis, M
Glatzel, W
Fricke, KJ
机构：
[1] Universitats-Sternwarte Gottingen, 37083 Göttingen
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1996年 / 281卷 / 02期
关键词：
instabilities; radiative transfer; stars; oscillations; variables; other; Wolf-Rayet;
D O I：
10.1093/mnras/281.2.406
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A comprehensive linear stability analysis of models for Wolf-Rayet stars is presented. The influence of opacity and chemical composition on stability, with respect to radial perturbations, is investigated systematically. Strange-mode instability with growth rates in the dynamical range is found to be typical for all models of Wolf-Rayet stars: critical masses for the onset of instability lie between 3 and 5 M(.). Several specific predictions of a heuristic model for strange-mode instability proposed recently are successfully tested on selected Wolf-Rayet star models.
引用
收藏
页码：406 / 424
页数：19
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