RR Lyrae Stars in the MACHO Database

The MACHO Collaboration, D. Minniti, C. Alcock +18

The MACHO Project has catalogued $\sim 8000$ RR Lyrae stars in the Large Magellanic Cloud, $\sim 1800$ in the Galactic bulge, and $\sim$ 50 in the Sgr dwarf galaxy. These variables…