Abstract
This paper presents self-consistent numerical results for a small sample of merging encounters between equal-mass disk galaxies. These calculations illustrate how self-gravitating disks respond to tidal perturbations and suggest an improved point of view on orbital decay in multicomponent systems. Preexisting spheroidal components merge rather gently, but the incomplete violent relaxation of the disks themselves is accompanied by a large drop in coarse-grained phase-space density. A detailed analysis of the orbital structure of these merger remnants shows how their shapes and kinematic properties are related to the initial disk spin vectors
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