Major axis alignments of poor cluster dominant galaxies

Details Major axis alignments of poor cluster dominant galaxies Major axis alignments of poor cluster dominant galaxies

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.2904f&link_type=abstract

American Astronomical Society, 189th AAS Meeting, #29.04; Bulletin of the American Astronomical Society, Vol. 28, p.1310

Astronomy and Astrophysics

Astronomy

Scientific paper

The MKW and AWM poor clusters are very different environments from rich Abell clusters. We obtained images with the Jacobus Kapteyn Telescope of 21 brightest cluster members (BCM) of the MKW/AWM clusters and determined that the major axis of the BCMs exhibits alignments similar to those in rich cluster dominant galaxies. Specifically, the major axes of the poor cluster BCMs point to nearby (< 20 Mpc) Abell clusters. Using the Kolmolgorov-Smirnov test, we reject the hypothesis that the position angles are randomly distributed at the 97% confidence level. The processes responsible for dominant galaxy alignments are therefore independent of cluster richness.

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