Fig. 13
a) u, (u − g) CMD from An et al. (2008)corrected photometry zoomed in around the RGB. Stars selected as red in Fig. 12 are plotted as red circles, while the red continuous line is the fiducial obtained in the way described in the text. Panels b) show the color distribution in the (u − g) color, while panel c) shows spatial distribution of the selected red stars.
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