Fig. 1
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Separation between the Gaia-DR3 (J2016) and the J2000 positions for the ten UCDs from our dedicated X-ray/radio campaigns and the 16 UCDs from the literature sample. All 191 Gaia-DR3 counterparts within 30″ are shown in gray. In turquoise there are the same objects but after the application of their P.M. correction. The red histogram represents the subsample of closest Gaia-DR3 CTPs to all UCDs after the P.M. correction.
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