High-redshift galaxy populations

被引：42
作者：
Hu, EM [1 ]
Cowie, LL [1 ]
机构：
[1] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
来源：
NATURE | 2006年 / 440卷 / 7088期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1038/nature04806
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We now see many galaxies as they were only 800 million years after the Big Bang, and that limit may soon be exceeded when wide-field infrared detectors are widely available. Multi-wavelength studies show that there was relatively little star formation at very early times and that star formation was at its maximum at about half the age of the Universe. A small number of high-redshift objects have been found by targeting X-ray and radio sources and most recently, gamma-ray bursts. The gamma-ray burst sources may provide a way to reach even higher-redshift galaxies in the future, and to probe the first generation of stars.
引用
收藏
页码：1145 / 1150
页数：6
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