Fig. 2.
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Equatorial coordinates of the RRLs (Nfilt) located inside a radius of 15′ around NGC 6266, and 10′ for the other five GCs. The computed membership is represented by the colour bar, between 0 and 1. The stars from Gaia EDR3, filtered by the catalogue validation (Gaia Collaboration 2021b; Fabricius et al. 2021; Riello et al. 2021) are shown as grey symbols in the background.
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