The tree clustering technique and the physical reality of galaxy groups | ||
NRIAG Journal of Astronomy and Geophysics | ||
Volume 1, Issue 2, December 2012, Pages 81-86 PDF (310.18 K) | ||
DOI: 10.1016/j.nrjag.2012.12.002 | ||
Authors | ||
M.A. Sabry; I.A. Issa; H. Abdelrahman; A.A. Shaker | ||
Abstract | ||
In this paper the tree clustering technique (the Euclidean separation distance coefficients) is suggested to test how the Hickson compact groups of galaxies (HCGs) are really physical groups. The method is applied on groups of 5 members only in Hickson’s catalog. | ||
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