High-redshift galaxy populations

Esther M. Hu () and Lennox L. Cowie
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Esther M. Hu: Institute for Astronomy, University of Hawaii
Lennox L. Cowie: Institute for Astronomy, University of Hawaii

Nature, 2006, vol. 440, issue 7088, 1145-1150

Abstract: Abstract 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, γ-ray bursts. The γ-ray burst sources may provide a way to reach even higher-redshift galaxies in the future, and to probe the first generation of stars.

Date: 2006
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DOI: 10.1038/nature04806

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