A high-redshift IRAS galaxy with huge luminosity—hidden quasar or protogalaxy?


DURING a survey intended to measure redshifts for 1,400 galaxies identified with faint sources detected by the Infrared Astronomy Satellite, we found an emission-line galaxy at a redshift of 2.286, and with the enormous far-infrared luminosity of 3 × 1014 times that of the Sun (L \cirċ). The spectrum is very unusual, showing lines of high excitation… (More)
DOI: 10.1038/351719a0


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