Fig. 6
Ratios of stars in subsequent stellar populations in 47 Tuc, N(I + E) /N(P + I + E), plotted versus distance from the cluster center. Data from the spectroscopic study of Cordero et al. (2014) are shown as red circles, photometric results of Milone et al. (2012) are plotted as black triangles, while our data are shown as large blue rectangles.
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