A catalogue of velocities in the direction of the cluster of galaxies Abell 496

Details A catalogue of velocities in the direction of the cluster of galaxies Abell 496 A catalogue of velocities in the direction of the cluster of galaxies Abell 496

1999-08-05

arxiv.org/abs/astro-ph/9908045v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in Astronomy & Astrophysics, Supplement Series

Scientific paper

10.1051/aas:1999403

We present a catalogue of velocities for 466 galaxies in the direction of the cluster Abell 496, in a region covering about 160' x 160' (9.2 x 9.2 Mpc for an average redshift for Abell 496 of 0.0331, assuming H$_0$=50 km s$^{-1}$ Mpc$^{-1}$). This catalogue includes previously published redshifts by Proust et al. (1987), Quintana and Ramirez (1990) and Malumuth et al. (1992), redshifts from the CfA redshift survey, together with our new measurements. A total of 274 galaxies have velocities in the 7800-11800 km/s interval, and will be considered as members of the cluster. Abell 496 therefore becomes one of the few clusters with a high number of measured redshifts; its physical properties are investigated in a companion paper.

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