Mathematics – Probability
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...238....3m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 238, no. 1-2, Nov. 1990, p. 3-14.
Mathematics
Probability
15
Galactic Clusters, Galactic Structure, Probability Distribution Functions, Error Analysis, Galactic Evolution, Percolation, Red Shift
Scientific paper
This paper presents tests for possible morphology segregations of galaxies on large scales by using percolation analysis and the void probability function. It is found that galaxies of different morphological types show systematically different percolation behaviors; the differentiation can exist on scales larger than the correlation length of galaxies. Such morphology dependence also shows in the mean value of the two-point correlation function determined by the variance of galaxy counts in the volume. The void probability function P(0), when expressed as a function of the mean number of galaxies in the tested volume, differs systematically for galaxies of different types, with earlier type galaxies giving larger P(0).
Boerner Gerhard
Mo Hou-Jun
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