A Deep Redshift Survey of Field Galaxies
A spectroscopic survey of over 400 field galaxies has been completed in three fields for which we have deep UBVI photographic photometry. The galaxies typically range from B = 20 to 22 and possess redshifts z from 0.1 to 0.5 that are often quite spiky in distribution. Little, if any, luminosity evolution is observed up to redshifts z ≃ 0.5. By such redshifts, however, an unexpectly large fraction of luminous galaxies has very blue intrinsic colors that suggest extensive star formation; in contrast, the reddest galaxies still have colors that match those of present-day ellipticals.
KeywordsLuminosity Function Galaxy Evolution Distant Galaxy Redshift Survey Observational Cosmology
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