A catalogue of velocities in the direction of the cluster of galaxies Abell 496 ^*,**

¹ Institut d'Astrophysique de Paris, CNRS, 98bis Bd. Arago, F-75014 Paris, France
² DAEC, Observatoire de Paris, Université Paris VII, CNRS (UA 173), F-92195 Meudon Cedex, France
³ Osservatorio Astronomico di Brera, via Brera 28, I-20121 Milano, Italy
⁴ Observatoire de la Côte d'Azur, BP. 229, F-06304 Nice Cedex 4, France

Send offprint request to: F. Durret

Received: 8 February 1999
Accepted: 12 August 1999

Abstract

We present a catalogue of velocities for 466 galaxies in the direction of the cluster Abell 496, in a region covering about ( Mpc for an average redshift for Abell 496 of 0.0331, assuming H₀ = 50 km s^-1 Mpc^-1). This catalogue includes previously published redshifts by [Proust et al. (1987)], [Quintana & Ramírez (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^-1 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.