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Issue A&A
Volume 388, Number 1, June II 2002
Page(s) 1 - 6
Section Cosmology
DOI http://dx.doi.org/10.1051/0004-6361:20020341



A&A 388, 1-6 (2002)
DOI: 10.1051/0004-6361:20020341

Multi-object spectroscopy of low redshift EIS clusters. I.

L. Hansen, L. F. Olsen and H. E. Jørgensen

Copenhagen University Astronomical Observatory, Juliane Maries Vej 30, 2100 Copenhagen, Denmark

(Received 21 December 2001 / Accepted 5 March 2002 )

Abstract
We report the results of the first multi-object spectroscopic observations at the Danish 1.54 m telescope at La Silla, Chile. Observations of five cluster candidates from the ESO Imaging Survey Cluster Candidate Catalog are described. From these observations we confirm the reality of the five clusters with measured redshifts of $0.11\leq z\leq0.35$. We estimate velocity dispersions in the range 294-621 km s -1 indicating rather poor clusters. This, and the measured cluster redshifts are consistent with the results of the matched filter procedure applied to produce the Cluster Candidate Catalog.


Key words: cosmology: observations -- galaxies: distances and redshifts -- galaxies: clusters: general

Offprint request: L. Hansen, leif@astro.ku.dk

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© ESO 2002


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