Fig. 2
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General properties of the bulge sample stars: (I) distance from the Galactic midplane (Z) vs the galactocentric radius (R) of the bulge sample, along with histograms showing the individual distributions for the RPM (green) and RVS (black) stars; (II) Kiel diagram (Teff vs log(g)); (III) [α/Fe] vs [Fe/H] diagram for the bulge sample plus the individual histograms.
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