Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.229..621p&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 229, Dec. 15, 1987, p. 621-626.
Astronomy and Astrophysics
Astronomy
39
Galactic Clusters, Luminosity, Mass Distribution, Brightness, Correlation, Cosmology, Red Shift
Scientific paper
A method is presented for investigating, in a direct way, the possible variation of galaxy clustering with luminosity, namely the counts of excess galaxies projected near galaxies of known distance. Large variations in either slope or amplitude of the galaxy correlation function are ruled out by the present data. In particular, no evidence is found that bright galaxies have a steeper correlation function slope than faint galaxies (the expectation from many 'biased' galaxy formation theories) although the statistical uncertainty for the available sample is too large to allow a definite rejection of this possibility. The data are also consistent with there being no difference in the amplitude of the clustering of bright and faint galaxies, although in this case current uncertainty in the luminosity function would allow up to a factor about two variation.
Phillipps Steve
Shanks Tom
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