文章基本信息

标题：The tree clustering technique and the physical reality of galaxy groups
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作者：M.A. Sabry ; I.A. Issa ; H. Abdelrahman 等
期刊名称：NRIAG Journal of Astronomy and Geophysics
印刷版ISSN：2090-9977
电子版ISSN：2090-9985
出版年度：2012
卷号：1
期号：2
页码：81-86
DOI：10.1016/j.nrjag.2012.12.002
语种：English
出版社：Elsevier
摘要：AbstractIn 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.