Galaxy associations within the Coma clus
β
V.G Gurzadyan; A Mazure
π
Article
π
2001
π
Elsevier Science
π
English
β 131 KB
## 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