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27 June 2022
 
  » arxiv » astro-ph/0407097

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Redshifts and Distribution of ACO Clusters of Galaxies
H. Andernach ; E. Tago ; M. Einasto ; J. Einasto ; J. Jaaniste ;
Date 6 Jul 2004
Subject astro-ph
Affiliation Depto. de Astronomia, Univ. Guanajuato, Mexico, Tartu Obs. Toravere, Estonia, Inst. of Physics, Tartu, Estonia
AbstractThe June 2004 version of our compilation of measured redshifts for clusters in the Abell-ACO catalogue lists redshifts for 3715 clusters/subclusters in 3033 distinct (2396 A- and 637 S-) clusters, 67% of these with N_z>=3 galaxies measured. We provide velocity dispersions (sigma_V) for 1875 (sub)clusters towards 1353 unique ACO clusters. The median sigma_V is 650 km/s for A-(sub)clusters and 575 km/s for S-(sub)clusters, and sigma_V clearly increases with both, N_z and richness, and also, somewhat surprising, with later Bautz-Morgan type of the clusters. We show examples of supercluster properties based on these data.
Source arXiv, astro-ph/0407097
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