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The 2dF Galaxy Redshift Survey: constraints on cosmic star-formation history from the cosmic spectrum

ASTROPHYSICAL JOURNAL, no. 2 (2002): 582-594

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We present the first results on the history of star formation in the universe based on the "cosmic spectrum," in particular the volume-averaged, luminosity-weighted, stellar absorption-line spectrum of present-day galaxies from the 2dF Galaxy Redshift Survey. This method is novel in that, unlike previous studies, it is not an estimator ba...更多

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