Luminosity segregation versus fractal scaling in the galaxy distribution

Details Luminosity segregation versus fractal scaling in the galaxy distribution Luminosity segregation versus fractal scaling in the galaxy distribution

2003-03-06

arxiv.org/abs/astro-ph/0303146v1

Europhys.Lett.61:856-862,2003

Astronomy and Astrophysics

Astrophysics

7 pages, EPL in press

Scientific paper

10.1209/epl/i2003-00317-0

In this letter I present results from a correlation analysis of three galaxy redshift catalogs: the SSRS2, the CfA2 and the PSCz. I will focus on the observation that the amplitude of the two--point correlation function rises if the depth of the sample is increased. There are two competing explanations for this observation, one in terms of a fractal scaling, the other based on luminosity segregation. I will show that there is strong evidence that the observed growth is due to a luminosity dependent clustering of the galaxies.

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