CMDs of star-like sources with measured proper motions in tile SMC 5_2 that are located a distance ρ> 40′ (left), 20′<ρ< 40′ (middle), and 20′<ρ< 40′ (right) from the 47 Tuc centre. Different CMD regions enclose sources with different mean ages. In the left panel, regions are defined as in Cioni et al. (2014), shifted both in magnitude and colour to account for the distance, metallicity, and reddening of the SMC. Most of the sources belong to the SMC except for sources in regions F, H, and L, which most likely belong to the MW and/or 47 Tuc. In the middle panel, regions are in part different to account for the contribution of the 47 Tuc stars. Most of the sources belong to the cluster except for sources in region K, which most likely belong to the SMC, and for sources in regions F and L, which may belong to the MW. In the right panel, the prevalence of SMC, 47 Tuc, and MW sources within different regions can be judged in comparison with the other panels.
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