Left panel: CAMD of stars in the compact populations; colors indicate membership. Right panel: CAMD of stars in the diffuse populations. The thin black (red) solid line indicates a best fit to the Pleiades (IC 2602) sequence, from Gaia DR2 photometry. For each population, σ (mag) is the standard deviation of datapoints around the respective best fit (colored solid lines), while Δ (mag) is the mean difference with respect to the overall best fit (thick black dashed line). The reddening vector is shown with red arrows.
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