The tree clustering technique and the physical reality of galaxy groups
Sabry, M., Issa, I., Abdelrahman, H., Shaker, A. (2012). The tree clustering technique and the physical reality of galaxy groups. EKB Journal Management System, 1(2), 81-86. doi: 10.1016/j.nrjag.2012.12.002
M.A. Sabry; I.A. Issa; H. Abdelrahman; A.A. Shaker. "The tree clustering technique and the physical reality of galaxy groups". EKB Journal Management System, 1, 2, 2012, 81-86. doi: 10.1016/j.nrjag.2012.12.002
Sabry, M., Issa, I., Abdelrahman, H., Shaker, A. (2012). 'The tree clustering technique and the physical reality of galaxy groups', EKB Journal Management System, 1(2), pp. 81-86. doi: 10.1016/j.nrjag.2012.12.002
Sabry, M., Issa, I., Abdelrahman, H., Shaker, A. The tree clustering technique and the physical reality of galaxy groups. EKB Journal Management System, 2012; 1(2): 81-86. doi: 10.1016/j.nrjag.2012.12.002

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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