Fig. 2.
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VPDs of all the stars in the respective cluster sample. VPD is the 2D histogram, along with the separate histograms for PMRA (in blue) and PMDEC (in red). The 3σ boundary centred on the mean cluster PMs is indicated by the dotted white circles. The final selection of the most likely cluster members is made within the 3σ region, depicted by the red circle.
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