The Stromlo-APM Redshift Survey. I - The luminosity function and space density of galaxies

Details The Stromlo-APM Redshift Survey. I - The luminosity function and space density of galaxies The Stromlo-APM Redshift Survey. I - The luminosity function and space density of galaxies

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...390..338l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 390, no. 2, May 10, 1992, p. 338-344. Research supported by SERC.

Astronomy and Astrophysics

Astronomy

577

Galaxies, Red Shift, Sky Surveys (Astronomy), Space Density, Brightness Distribution, Distance, Maximum Likelihood Estimates, Southern Sky

Scientific paper

Results from a new redshift survey of 1769 randomly sampled southern galaxies are presented. This survey samples a volume about 30 times larger than the 14.5-mag CfA Redshift Survey and thus provides an accurate determination of the luminosity function and mean space density of galaxies. The variation of galaxy density with redshift is estimated using a maximum-likelihood method. It is concluded that the galaxy population must evolve rapidly at relatively low redshifts (about 0.) to explain the observed number counts over the bJ range of 16-19.

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