553 citations · 7.2k across the 106 of their papers we have counts for
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astro-ph1996★ 64 cited
Formation of rings in galactic discs by infalling small companions
E. Athanassoula, I. Puerari, A. Bosma
We use N-body simulations to study the formation of rings in a disc galaxy by the impact of a small spherical companion. Both barred and nonbarred target discs are considered. We d…
astro-ph1996★ 97 cited
Evolution of Compact Groups of Galaxies I. Merging Rates
E. Athanassoula, J. Makino, A. Bosma
We discuss the merging rates in compact groups of 5 identical elliptical galaxies. All groups have the same mass and binding energy. We consider both cases with individual halos an…