The V and I colour–magnitude diagram similar to Fig. 3, but now with superimposed isochrones from Marigo et al. (2008) for solar metallicity and three different ages: 0.6 Gyr (blue), 5 Gyr (red) and 10 Gyr (green), assuming a distance modulus of 14.6, an extinction E(V − I) = 1.30 and RI = 1.11. The black star symbol marks the position of the source.
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