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Evolution of Galaxies Through Their Interactions

Published online by Cambridge University Press:  25 May 2016

Y. Funato  and
J. Marino
Y. Funato
Affiliation:
University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153, Japan
J. Marino
Affiliation:
University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153, Japan

Extract

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We investigated how the encounters between galaxies change their mass M and velocity dispersion σ. We carried out a series of direct N-body simulation of encounters of two spherical galaxies. In Figure 1, the relative change of energy ΔE/E are plotted against that of mass ΔM/M for various initial conditions. The filled and open symbols correspond to the cases of Plummer model and relaxed Hernquist model, respectively. Here β ≡ (ΔE/E)/(ΔM/M).

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 378
Copyright
Copyright © Kluwer 1996