Galaxy associations within the Coma clus
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V.G Gurzadyan; A Mazure
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Article
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2001
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Elsevier Science
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English
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## 21 21 The mean redshift of the core of the Coma cluster -cz 5 6953 km s and its dispersion s 5 949 km s are obtained by means of the analysis of the substructures of this cluster by using the S-tree method. The existence of three subgroups of galaxies is revealed, one of them is associated with