A survey of galaxies in the field of A194

Details A survey of galaxies in the field of A194 A survey of galaxies in the field of A194

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90..163n&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 90, Feb. 1985, p. 163-168.

Astronomy and Astrophysics

Astronomy

5

Angular Distribution, Galactic Clusters, Disk Galaxies, Filaments, Spatial Distribution, Tables (Data)

Scientific paper

The galaxies in the field of the cluster Abell 194 have been surveyed using glass plate copies of the Palomar Observatory Sky Survey. The distribution in the sky of the diameter-limited galaxy sample has a position angle of 128 deg and an axial ratio of 0.72. These measurements suggest that the line of bright galaxies at the cluster center could be a bar of an overall larger filamentary structure, as in a barred spiral galaxy. Although no statistically significant deviation from random is found, the galaxy position-angle distribution shows a tendency to line up along the central bright galaxy line and at right angles to it. The latter direction coincides with the position angle determined for the entire sample. For disk galaxies, there is a statistically significant deviation of the observed axial-ratio distribution from the BdV comparison sample. An excess of edge-on galaxies and a deficiency of galaxies at intermediate axial ratios is found.

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