Lower panels show the luminosity functions for a subfield in Baade’s window and at b = −6. The underlying RGB is fitted with a second-order polynomial and the red clump is fitted with two Gaussians centered at Ks0 = 12.9 and Ks0 = 13.2 for b = −6 and with a single Gaussian centered at Ks0 = 12.9 for Baade’s window. Upper panels show the corresponding CMD for each field, oriented with color along the y-axis and magnitude along the x-axis. Density contours denote the single and double RC in each field.
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