The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood

The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood
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从我们附近的古老恒星种群中揭示了早期宇宙中恒星的初始质量函数

DOI：
10.1017/s1743921313005243
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发表时间：
2013
期刊：
The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood
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通讯作者：
The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood
The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood
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文献类型：
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作者：
栗山翼;松下恭子;佐藤浩介;佐々木亨 (東京理科大学);The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood

文献摘要

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我们提出了一种新方法，通过对极度贫金属 (EMP) 恒星的观测来研究早期宇宙中的 IMF。 EMP恒星是早期宇宙中形成的恒星的低质量幸存者。我们可以根据银河晕中 EMP 恒星元素丰度的统计数据给出对 IMF 的约束。
We present a new method to investigate the IMF in the early universe from observations of extremely metal-poor (EMP) stars. EMP stars are the low-mass survivors of stars which are formed in the early universe. We can give constraints on the IMF from statistics of the elemental abundances of the EMP stars in the Galactic halo.