Most of the studies attempting to characterise the mass-to-luminosity ratio (M/L) and the structure of dark matter haloes in isolated interacting galaxy pairs have used a statistical approach of the problem. It is important though to restrain these parameters through the detailed observations and analysis of the kinematics and dynamics of specific interacting galaxy pairs. We present results on the preliminary study of the M-51 type interacting galaxy pair Kar302 (NGC 3893/96).
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