The orientation of galaxies and of clusters from an objectively defined catalogue

Details The orientation of galaxies and of clusters from an objectively defined catalogue The orientation of galaxies and of clusters from an objectively defined catalogue

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242..146f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Jan. 1, 1990, p. 146-157. Research supported by th

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23

Astronomical Catalogs, Galactic Clusters, Galactic Structure, Galactic Evolution, Spatial Distribution

Scientific paper

The galaxy and cluster catalogs of Stevenson et al. (1988) are used to study the orientations of clusters and galaxies within clusters. Results are presented from statistical tests on the orientation distribution of galaxies and clusters. Consideration is given to the possibility that a cluster's major axis extends beyond the central region from which the axis is determined. The results do not confirm Bignelli's (1982) hypothesis that clusters point towards the nearest neighbor cluster. Also, the suggestion of Argyres et al. (1986) that major axes of clusters extend to scale of about 15/h Mpc is not confirmed. It is shown that for clusters within separations less than 34 arcmin, neighboring clusters may tend to align with each other.

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