Populations of OB-type stars in galaxies

被引：1
|
作者：
Evans, Christopher J. [1 ]
机构：
[1] UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland
来源：
ACTIVE OB STARS: STRUCTURE, EVOLUTION, MASS-LOSS, AND CRITICAL LIMITS | 2011年 / 272期
关键词：
Galaxy: stellar content; Magellanic Clouds; stars: early-type; stars: fundamental parameters; LARGE-MAGELLANIC-CLOUD; VLT-FLAMES SURVEY; B-TYPE SUPERGIANTS; EFFECTIVE TEMPERATURE SCALE; QUANTITATIVE SPECTRAL-ANALYSIS; LOW METALLICITY ENVIRONMENT; KECK-HIRES SPECTROSCOPY; RADIATION-DRIVEN WINDS; HOT LUMINOUS STARS; LYMAN-BREAK GALAXY;
D O I：
10.1017/S1743921311010477
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
One of the challenges for stellar astrophysics is to reach the point at which we can undertake reliable spectral synthesis of unresolved populations in young, star-forming galaxies at high redshift. Here I summarise recent studies of massive stars in the Galaxy and Magellanic Clouds, which span a. range of metallicities commensurate with those in high-redshift systems, thus providing an excellent laboratory in which to study the role of environment on stellar evolution. I also give an overview of observations of luminous supergiants in external galaxies out to a. remarkable 6.7Mpc, in which we can exploit our understanding of stellar evolution to study the chemistry and dynamics of the host systems.
引用
收藏
页码：233 / 241
页数：9
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