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Fig. 7


Distribution of radial velocities for all stars in our sample, divided into MP (filled greed triangles) and MR (filled orange squares) components. The x axis shows the distance from the cluster centre (in units of the core radius rc). The larger symbols, also in green and orange, represent the average RV of the two sub-samples, computed in the boxes indicated in the figure. The dotted horizontal line represents the global average of the sample (320.26 km s-1, with a rms of 3.74) and the vertical line indicates the tidal radius. The average RVs at the various distances are given in Table 10.

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