(U, V), (V, W) and (U, W) planes (from left to right) of all potential candidates (7% %) identified into the non-member sample. The YD population and the mean velocities of MGs are indicated as in Fig. 7. We displayed those whose probability P2D is larger than or equal to 40% (hexagons), in the range 30%–40% (squares) and 20%–30% (diamonds). To visualize the locus of each source in the 3 kinematic diagrams of studied MGs (from top to bottom), we have numbered various symbols. We also over-plotted elliptical contours of three k values, as in Fig. 7.
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