Fig. 6

Spatial distribution of GES and TGAS stars in the four clusters. The black points are the stars observed with GES and the red filled dots are the spectroscopic candidates selected in Sect. 4.1. The blue diamonds are the stars selected as members by G17 within the radius RGES. The stars identified by red dots and blue diamonds are those used to derive the velocity dispersions in the GES and TGAS sample, respectively.
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