All Figures

	Figure 1: Rotation curve of the spiral galaxy NGC 5953 in the interacting galaxy pair KPG 468 (Hernandez Toledo et al. 2003) within the inner 15'', derived from a full 2D velocity map. A velocity bifurcation between the approaching side (full circles) and receding one (empty circles) can be seen at 9''. The companion NGC 5954 is a galaxy of similar size and morphological type.
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In the text

Figure 2: Circular (continuous line) and tangential velocities (triangles and squares) in experiment A show clear bifurcation. Triangles and squares denote opposite orientations along a given direction used to measure the curves. The side that shows a declining tangential velocity is the one closest to the companion galaxy. Error bars correspond to the standard deviations of the mean values computed within each bin.

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In the text

	Figure 3: Velocity residuals as a function of time estimated for baryons within (squares) and  (triangles) angles for experiment A.
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In the text

	Figure 4: Asymmetry parameter as a function of time for our four experiments (A, B, C, D) along the - directions (see Sect. 2 for experiment description).
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In the text