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Fig. B.1

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Example of the procedure applied to separate the stellar populations in each tile. Left, CMD for the VVV tile d003, the subsample of stars between the black dashed lines has been chosen to calculate an histogram of the color equation (J − K)ROT = (J − K + 1.0)    ×    0.985 − (10.0 − K)    ×    0.174. Right, respective histogram for the stars selected in the CMD, a double Gaussian fitting (solid purple line) is used estimate the minimum between the main sequence and post main sequence distributions (red dashed line), which is used to separate the populations.

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