Triplets of Galaxies: Some Dynamical Aspects

dc.creatorAceves, Hector
dc.date1999-07-16
dc.date1999-10-12
dc.date.accessioned2026-07-07T02:32:33Z
dc.date.available2026-07-07T02:32:33Z
dc.descriptionWe present a study of the dynamics of triplets of galaxies. In particular we focus on properties that are directly comparable with observations: e.g., velocity dispersion, mean harmonic radius, and virial mass. We find, for example, that the median velocity dispersion of our simulations is smaller (<50 km/s) than the observed value (~100 km/s). A possible solution to this discrepancy is to consider triplets as non-isolated systems; e.g. subject to a tidal perturbation from a poor cluster in a Hubble time. We suggest that the dynamics of triplets is intimately linked to the large-scale structure, and evolution, of the universe.
dc.description4 pages with 2 figures. Contribution to the IAU Colloquium 174 "Small Galaxy Groups", held at Turku on June 1999. Includes PASP Conference LaTex style. Table of Results has been changed, conclusions not altered
dc.identifierhttps://arxiv.org/abs/astro-ph/9907226
dc.identifierhttp://arxiv.org/abs/astro-ph/9907226
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14501
dc.subjectAstrophysics
dc.titleTriplets of Galaxies: Some Dynamical Aspects
dc.typetext

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