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Fig. 8.

image

Fitting of isochrones in the VVV CMDs at fixed metallicity of [Fe/H]= − 0.2 dex and variation in ages t = 8, 9, 10, 11, 13 Gyr (right panel); while at fixed age of t = 10 Gyr and different metallicities [Fe/H] = 0,   − 0.1,   − 0.2,   − 0.3,   − 0.4 dex (left panel). Black points represent the VVV cluster members, whereas blue points are those from the 2MASS catalogue.

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