The split red clump of the Galactic bulge from OGLE-III

Abstract

The red clump (RC) is found to be split into two components along several sightlines toward the Galactic bulge. This split is detected with high significance toward the areas (-3.5 < l < 1, b < -5) and (l, b) = (0, +5.2), i.e., along the bulge minor axis Show more