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 \(\beta \equiv (\Delta E/E)/(\Delta M/M)\).
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© 1996 Springer Science+Business Media Dordrecht
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Funato, Y., Marino, J. (1996). Evolution of Galaxies through Their Interaction. In: Bender, R., Davies, R.L. (eds) New Light on Galaxy Evolution. International Astronomical Union / Union Astronomique Internationale, vol 171. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0229-9_90
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DOI: https://doi.org/10.1007/978-94-009-0229-9_90
Publisher Name: Springer, Dordrecht
Print ISBN: 978-0-7923-3976-2
Online ISBN: 978-94-009-0229-9
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