SMC B-type supergiants: Stellar winds in a low metallicity environment.

被引：0
|
作者：
Trundle, C.
Lennon, D. J.
Puls, J.
Dufton, P. L.
Evans, C. J.
机构：
[1] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain
[2] Isaac Newton Grp Telescopes, Tenerife 38700, Spain
[3] Univ Sternwarte, D-81679 Munich, Germany
[4] Queens Univ Belfast, Dept Phys & Astron, Belfast BT7 1NN, Antrim, North Ireland
来源：
Stellar Evolution at Low Metallicity: Mass Loss, Explosions, Cosmology | 2006年 / 353卷
关键词：
D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Within our Local Group the SMC provides an ideal testbed for studying stellar parameters in a low metallicity environment. Here the properties of the stellar winds of B-type supergiants in the SMC are presented, as obtained from a spectroscopic analysis. The mass-loss rates of these supergiants are compared with observational results of their galactic counterparts and theoretical predictions from monte-carlo simulations. These comparisons reveal a discrepancy between the theoretical predictions and observations, the relevance of which is discussed in terms of its influence on our understanding of stellar evolution.
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页码：127 / 132
页数：6
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