Fig. 4.

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Top: VPM diagram for all star sample (left panel), field sample (middle panel), and Garro 02 PM members (right panel). In the right panel, the blue and red circles indicate a radius within 2 and 1 mas yr−1, respectively. As it is possible to see, we selected the most probable members (> 50%) within 1 mas yr−1 from the mean cluster PMs. Bottom.Left panel: VPM diagram for Garro 02 cluster as a 2D histogram, displaying both the PMRA (in blue) and PMDEC (in red) histograms separately. The yellow and light green colours depict over-densities, whereas the dark green and blue colours represent lower densities. We indicate with dotted white circles the 1σ, 2σ, and 3σ centred on the mean cluster PMs. Middle and right panels: VPM diagrams, where the brightest cloud represents the highest PM probability, within a radius r < 1 mas yr−1 and r < 2 mas yr−1.
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