Spectroscopic [Fe/H] medians of -1.34 and -1.44 dex and [α/Fe] ~0.25 dex for bulge RR Lyrae stars, with a subset of higher-metallicity objects possibly belonging to the disk.
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Spectroscopic metallicities and first {\alpha}-element abundances of RR Lyrae stars in Baade's Window
Spectroscopic [Fe/H] medians of -1.34 and -1.44 dex and [α/Fe] ~0.25 dex for bulge RR Lyrae stars, with a subset of higher-metallicity objects possibly belonging to the disk.