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Linear clusters of galaxies - A194 (1988)

Chapman, G. N. F. ; Geller, M. J. ; Huchra, J. P.

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Publication Date: 2019-07-12

Description: New measurements for 160 redshifts and previous measurements for 108 other redshifts are presented for galaxies within 5 deg of A194. The galaxy distribution in A194 is shown to be inconsistent with a spherically symmetric King model. A mass-to-light ratio is derived using the virial theorem which is lower than the mean for the groups in the CfA redshift survey (Huchra and Geller, 1982; Geller, 1984). A nonparametric test for galaxy-cluster alignment and a Chi-squared test are used to search for alignment of galaxy major axes with the axis of A194. Evidence for neither luminosity segregation nor significant differences in the velocity or surface distributions of galaxies as a function of morphological type is found.

Keywords: ASTROPHYSICS

Type: Astronomical Journal (ISSN 0004-6256); 95; 999-1022

Format: text

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