Mathematics – Logic
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.255..382m&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 255, April 1, 1992, p. 382-388. Research supported by N
Mathematics
Logic
21
Galactic Structure, Space Density, Spiral Galaxies, Statistical Distributions, Morphology, Red Shift, Standard Deviation
Scientific paper
The morphological segregation of galaxies on large scales is investigated, using complete redshift samples and statistical methods sensitive to the population change in the low-density regions of the galaxy distribution. The correlation analysis shows that the elliptical and S0 galaxies are significantly more correlated than the spiral galaxies on scales of 15/h Mpc or less. The population analysis, for samples excluding galaxies belonging to clusters defined by given density contrasts, shows that the fraction of the elliptical and S0 galaxies in the field decreases monotonically as the density contrast changes from high values to about 1.
Deng Zu-Gang
Einasto Maret
Mo Hou-Jun
Xia Xiao-Yang
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