Shell Galaxies: Dynamical Friction, Gradual Satellite Decay and Merger Dating
| Authors | |
|---|---|
| Year of publication | 2010 |
| Type | Article in Proceedings |
| Conference | GALAXY WARS: STELLAR POPULATIONS AND STAR FORMATION IN INTERACTING GALAXIES |
| MU Faculty or unit | |
| Citation | |
| Web | http://aspbooks.org/custom/publications/paper/423-0236.html |
| Keywords | shell galaxies |
| Description | With the goal to refine modelling of shell galaxies and the use of shells to probe the merger history, we develop a new method for implementing dynamical friction in test-particle simulations of radial minor mergers. The friction is combined with a gradual decay of the dwarf galaxy. The coupling of both effects can considerably redistribute positions and luminosities of shells; neglecting them can lead to significant errors in attempts to date the merger. |
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