view Abstract Citations (105) References (28) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A new application of Binggeli's test for large-scale alignment of clusters of galaxies. Struble, M. F. ; Peebles, P. J. E. Abstract An extension to Binggeli's test for possible large-scale alignment of clusters of galaxies is presented. Marginally statistically significant evidence is found to indicate that clusters and their first-ranked galaxies tend to point toward neighbors, which is in the direction of Binggeli's result, but the effect is small and at a level that might be influenced by systematic errors. No pronounced correlation of anisotropy with cluster separation was found. Also, the effect is not significantly enhanced by using only systems where the dominant galaxy is aligned with the cluster, or by using only richer clusters. The tendency of clusters or their dominant galaxies to be parallel, independent of their relative positions was also examined. The results here are consistent with isotropy. As an upper bound on a real tendency for clusters or their dominant members to point toward nearby clusters, it is concluded that the mean value of the relative position angle can not differ from isotropy (45 deg) by more than 5 deg. Publication: The Astronomical Journal Pub Date: April 1985 DOI: 10.1086/113763 Bibcode: 1985AJ.....90..582S Keywords: Astrometry; Galactic Clusters; Statistical Tests; Astronomical Maps; Fourier Transformation; Statistical Distributions; Astronomy full text sources ADS |