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Evolution of Galaxies through Their Interaction

  • Y. Funato
  • J. Marino
Conference paper
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 171)

Abstract

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 \(\beta \equiv (\Delta E/E)/(\Delta M/M)\).

Copyright information

© Springer Science+Business Media Dordrecht 1996

Authors and Affiliations

  • Y. Funato
    • 1
  • J. Marino
    • 1
  1. 1.University of TokyoMeguro-ku, TokyoJapan

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