Fig. 2.
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Normalized kernel density estimates of the distributions for the stellar mass (left) and metallicity (right) for the APOKASC 3 (light) APO-K2 (dark) samples. The dots and vertical bars mark the respective sample’s median and the interquartile range (25th–75th percentiles). The dashed magenta line indicates the mass threshold of 1.8 M⊙.
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