Star Formation in a Low-Metallicity Gas

被引：0
|
作者：
Yoshida, Naoki [1 ]
机构：
[1] Univ Tokyo, IPMU, Chiba 2778583, Japan
来源：
FIRST STARS AND GALAXIES: CHALLENGES FOR THE NEXT DECADE | 2010年 / 1294卷
关键词：
Star formation;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present high resolution simulations of star formation in a low-metallicity gas. Our models include relevant chemical and radiative processes in a direct, self-consistent manner. In particular, we calculate radiative transfer and the resulting cooling by thermal emission by dust. We show that vigorous fragmentation is triggered in a star-forming gas at a metallicity as low as [Z/H] similar to -5. Dust cooling at high densities, rather than line cooling by carbon or oxygen atoms, is responsible for the rapid cooling and fragmentation.
引用
收藏
页码：297 / 299
页数：3
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