Clustering in the southern cluster survey

Details Clustering in the southern cluster survey Clustering in the southern cluster survey

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.239..513c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 239, Aug. 1, 1989, p. 513-532. Research supported by NS

Astronomy and Astrophysics

Astronomy

10

Angular Distribution, Astronomical Catalogs, Galactic Clusters, Sky Surveys (Astronomy), Southern Sky, Astronomical Photography, Correlation, Magnitude, Red Shift

Scientific paper

Measurements of angular clustering in the southern cluster survey (Corwin and Olowin, 1988) are compared with similar results for the northern cluster catalog (Abell, 1958). The two-point angular correlation function and the rms variation are estimated from the mean of density fields which are smoothed over various scales. It is shown that the southern catalog is essentially complete, and that the clustering exhibited by the two sets of clusters is consistent. Differences between the two sets of clusters were most pronounced in the results for the rms smoothing. The results suggest that clusters are in groups of three to four, with the groups themselves being randomly distributed.

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