Statistical investigation of the structure of observed multiple systems. I - Compact groups of galaxies

Details Statistical investigation of the structure of observed multiple systems. I - Compact groups of galaxies Statistical investigation of the structure of observed multiple systems. I - Compact groups of galaxies

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986afz....24..445m&link_type=abstract

(Astrofizika, vol. 24, May-June 1986, p. 445-451) Astrophysics (ISSN 0571-7132), vol. 24, no. 3, Nov. 1986, p. 254-258. Translat

Statistics

Computation

18

Galactic Clusters, Galactic Rotation, Galactic Structure, Prolateness, Statistical Distributions, Computational Astrophysics, Spheroids, Void Ratio

Scientific paper

A method is proposed for statistical study of the configurations of multiple systems that permits judgments to be drawn about their static and dynamic properties: oblation or prolation, hierarchy, ring-like structure, rotation, etc. The method is used to investigate a sample of 100 isolated compact groups of galaxies in the list of Hickson (1982). It is shown that the groups have a tendency to prolation. Their mean apparent sphericity is approximately 0.4. Their structures are not found to be hierarchical.

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