Spectroscopic metallicities and first α-element abundances of RR Lyrae stars in Baade's Window

J. Olivares Carvajal, Á. Rojas-Arriagada, M. Zoccali +10

RR Lyrae stars in the bulge have been reported to be associated with the spheroidal, relatively metal-poor component. They offer a way to trace this component with precise distance…