Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pazh....9..332k&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 9, June 1983, p. 332-338) Soviet Astronomy Letters (ISSN 0360-0327), vol. 9, May-June 1
Astronomy and Astrophysics
Astronomy
Galactic Clusters, Galactic Nuclei, Red Shift, Astronomical Catalogs, Correlation, Spatial Distribution
Scientific paper
Data on 603 isolated galaxy pairs (GP) in the Northern-Hemisphere catalog of Karachentsev (1972) are analyzed statistically to determine the spatial distribution of the pair centers. The results are presented in tables, graphs, diagrams, and histograms and discussed. On a smaller scale (less than 10 Mpc), GPs are found to be grouped only when they are members of groups or clusters. The same trend is noted in the large-scale distribution, confirming the results of Tifft (1980). The two-point spatial-correlation function for GPs drops off as r to the -5th from its value (about 36/r) at 0.7-8 Mpc but maintains amplitudes greater than those of the galaxy correlation function throughout the 1-20-Mpc range. This discrepancy is attributed to favorable conditions of GP formation in the outer regions of superclusters.
Karachentsev Igor D.
Shcherbanovskij A. L.
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