Browsing by Subject "redshift"
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(American Institute of Physics, 2010)There exists a population of broad-line z~2 QSOs which have heavily absorbed X-ray spectra. These objects constitute ~10% of the population at luminosities and redshifts characteristic of the main producers of QSO luminosity ...
Submillimetre galaxies reside in dark matter haloes with masses greater than 3 x 10(11) solar masses (2011)The extragalactic background light at far-infrared wavelengths(1-3) comes from optically faint, dusty, star-forming galaxies in the Universe with star formation rates of a few hundred solar masses per year(4). These faint, ...
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