Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-12-15
KinematikaFiz.NebesnykhTel.22:422-431,2006
Astronomy and Astrophysics
Astrophysics
11 pages
Scientific paper
Configuration properties of observed galaxy triplets are studied with the use of the method of configuration parameters and Agekian-Anosova configuration diagram. Statistically significant excess of the hierarchical configurations for the galaxy triplets of the Local Supercluster (LS) is established. The samples of the Interacting, Northern and Southern galaxy triplets do not demonstrate the same excess. Our results testify that the model of the dark matter concentrated in the halo of individual galaxies is convenient for dynamically young systems to which the most of LS triplets belong, whereas the model of the dark matter concentrated in the triplet's volume is more convenient for the compact triplets.
Melnyk O. V.
Vavilova Iryna B.
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