Free Access
Issue
Astron. Astrophys. Suppl. Ser.
Volume 139, Number 3, November I 1999
Page(s) 525 - 530
DOI https://doi.org/10.1051/aas:1999403
Published online 15 November 1999
DOI: 10.1051/aas:1999403

Astron. Astrophys. Suppl. Ser. 139, 525-530

A catalogue of velocities in the direction of the cluster of galaxies Abell 496[*] [*]

F. Durret 1,2 - P. Felenbok 2 - C. Lobo 3 - E. Slezak 4

Send offprint request: F. Durret, e-mail: durret@iap.fr


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

Received February 8; accepted August 12, 1999

Abstract:

We present a catalogue of velocities for 466 galaxies in the direction of the cluster 4, in a region covering about $160'\times 160'$( $9.2\times9.2$ Mpc for an average redshift for 4 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. 4 therefore becomes one of the few clusters with a high number of measured redshifts; its physical properties are investigated in a companion paper.

Key words: galaxies: clusters: individual: Abell 496; galaxies: clusters: general

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Copyright The European Southern Observatory (ESO)

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