Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26at....6..157c&link_type=abstract
Astronomical and Astrophysical Transactions (ISSN 1055-6796), vol. 6, no. 3, p. 157-166
Astronomy and Astrophysics
Astrophysics
Galactic Clusters, Galactic Evolution, Galactic Mass, Galactic Structure, Interacting Galaxies, Three Body Problem, Astronomical Models, Computerized Simulation, Dark Matter, Estimates, Inverse Kinematics, Mathematical Models, Three Dimensional Models
Scientific paper
Observed triplets of galaxies which are assumed to be isolated bound physical systems are scattered more or less randomly over the space of all possible geometical configurations, while numerical simulations and dynamical considerations suggest that one should rather expect an excess of hierarchical structures. We show that this controversy may have important physical grounds and cannot be related to projection effects. Possible explanations may involve effective merging of galaxies at their close passing or the presence of smoothly distributed dark matter in the systems.
Chernin Arthur D.
Ivanov Alexei V.
Mikkola Seppo
Trofimov Anton V.
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