Position-angle statistics of the brightest binary galaxies in Abell clusters

Details Position-angle statistics of the brightest binary galaxies in Abell clusters Position-angle statistics of the brightest binary galaxies in Abell clusters

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96.1534s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, Nov. 1988, p. 1534-1564.

Other

6

Astrometry, Galactic Clusters, Two Body Problem, Galactic Structure, Luminosity, Position (Location)

Scientific paper

Position-angle (PA) data have been obtained for 405 Abell clusters possessing a binary galaxy as the most luminous member. Although radial and circumferential orientations of the fainter component's major axis are noted with respect to the brighter components, both components of the binaries show a preference to be oriented parallel to one another and perpendicular to the separation vector. Several alignments are found to be inversely correlated with the metric separation between components. It is noted that these anisotropies differ significantly from the isotropic results obtained for isolated field binaries.

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