Fig. 10.
Kernel density estimates of [Fe/H], [Na/Fe], [Al/Fe], and [O/Fe] abundances for the bluer and redder stars. The redder stars are generally more enhanced in [Fe/H] and [Na/Fe] than the bluer stars, while this trend is reversed in [Al/Fe] and [O/Fe]. The vertical red and blue dotted lines indicate the peak abundances of each group, and the bandwidth for KDE is in the upper right corner of each panel.
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