Fig. 2.
Proper motions of stars in our Pismis 18 spectroscopic sample in common with the Gaia DR2. Red dots represent the probable members according to the analysis of Cantat-Gaudin et al. (2018a), with proper motion errors in the Gaia DR2. A blue square marks a suspect binary star observed with UVES (CNAME 13365001-6205376, see discussion in the text). Only a limited range of proper motions is shown here to highlight the locus of cluster member candidates.
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