Three southern cD clusters of galaxies Klemola 44, Sersic 40/6 and 2354 - 35

Details Three southern cD clusters of galaxies Klemola 44, Sersic 40/6 and 2354 - 35 Three southern cD clusters of galaxies Klemola 44, Sersic 40/6 and 2354 - 35

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.243..159g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 243, March 1, 1990, p. 159-170.

Astronomy and Astrophysics

Astronomy

18

Elliptical Galaxies, Galactic Clusters, Galactic Structure, Galactic Mass, Luminosity, Mass To Light Ratios, Southern Sky

Scientific paper

The b27 magnitudes are measured in three rich southern clusters with central cD galaxies. The brightest few galaxies in each case show a marked concentration to the center. All three have (M/L)b between 110 and 220, and their major-axis position angles align with the major axes of the cDs. Klemola 44 and 2354 - 35 are similar in velocity dispersion and total luminosity. They differ in that the cD in Klemola 44 has a bound population whose lifetime against accretion by means of dynamical friction is a small fraction of the cluster lifetime. Sersic 40/6 is a larger cluster with a higher velocity dispersion and mass, in which the core galaxies do not seem to be bound to the central cD galaxy.

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