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

Loveday, J., Peterson, B. A., Efstathiou, G., Maddox, S. J.·1992·The Astrophysical Journal

Abstract

We present the first results from a new redshift survey of southern galaxies. The survey is essentially complete to a magnitude limit of b_J_ = 17.15 and consists of 1769 galaxies sampled randomly at a rate of 1 in 20 from the APM galaxy catalogs. Our survey samples a volume ~30 times larger than the 14.5 mag CfA Redshift Survey and so can provide an accurate determination of the luminosity function and mean space density of galaxies. After correction for Malmquist bias, the luminosity function is well fitted over the magnitude range - 15 > M_bJ_ > - 22 by a Schechter function with parameters M^*^_bJ_ = - 19.50+/-0.13, α = - 0.97+/-0.15, and φ^*^ = (1.40+/-0.17) x 10^-2^ Mpc^-3^ for H_0_ = 100 kms^-1^ Mpc^-1^. We estimate the variation of galaxy density with redshift using a maximum-likelihood method. The absence of a large local void in our survey supports our previous conclusion that the galaxy population must evolve rapidly at relatively low redshifts (z ~ 0.1) to explain the observed number counts over the range 16 <~ b_J_ <~ 19.

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Metadata

Authors
Loveday, J., Peterson, B. A., Efstathiou, G., & Maddox, S. J.
Venue
The Astrophysical Journal
Published
1992-05
Volume
390
Pages
338
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
OpenAlex
W2056903171
Cited by
448
References
0
FWCI
17.04
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The Stromlo-APM Redshift Survey. I - The luminosity function and space density of galaxies. https://app.cochat.ai/papers/10.1086/171284
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Loveday, J., Peterson, B. A., Efstathiou, G., & Maddox, S. J. (1992). The Stromlo-APM Redshift Survey. I - The luminosity function and space density of galaxies. The Astrophysical Journal. https://doi.org/10.1086/171284

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