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Tracing the Assembly Histories of Galaxy Clusters in the Nearby Universe

Andernach, H.; Caretta, C. A.; Coziol, R. +10 more

We have compiled a sample of 67 nearby (z < 0.15) clusters of galaxies, for which on average more than 150 spectroscopic members are available and, by applying different methods to detect substructures in their galaxy distribution, we have studied their assembly history. Our analysis confirms that substructures are present in 70% of our sample,…