Fig. 26
Left: Gaia proper motion distribution in M4. Only stars with a proper motion error < 0.2 mas yr−1 and flux excess parameter C < 2 are plotted. Centre: differences between proper motions in Gaia and in HST data. Right: scaled dispersion for the stars having Gaia proper motions errors < 0.2 mas yr−1 and flux excess parameter C < 2.
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