Galaxy redshifts in 3 medium-distant clusters

Details Galaxy redshifts in 3 medium-distant clusters Galaxy redshifts in 3 medium-distant clusters

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..129...31c&link_type=abstract

Astronomy and Astrophysics Supplement, v.129, p.31-40

Astronomy and Astrophysics

Astrophysics

6

Galaxies: Clusters Of, Distances And Redshifts, Cosmology: Observations, Galaxies: Clusters: Cl 0053-37, A 3663, A 3889

Scientific paper

We present results from spectroscopic observations of 3 rich and moderately distant galaxy clusters at the 3.6 m ESO telescope at La Silla. We measured 54 galaxy redshifts in 3 fields centered on the clusters A 3663 and A 3889, which are rich (R=2) and distant (D=6) ACO clusters, and on a new cluster, Cl 0053-37, identified on a deep plate. We present estimates of their velocity dispersion and virial mass. Cl 0053-37 had been noted as a concentration in a poor ACO cluster, S0102, with distance class D=4. We show that Cl 0053-37 is a more distant cluster, connected to a large scale-structure at z ~ 0.165. Based on observations collected at the European Southern Observatory, La Silla, Chile.

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