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Fig. 3

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Optical (left panel) and NIR (right panel) dereddened CMDs for CenA-dE1. Representative photometric errorbars are plotted on the left side of the CMDs. The green crosses represent the Galactic foreground contamination predicted by TRILEGAL models, while the red asterisks are simulated using the Besançon models. The simulated data include corrections for photometric errors and account for incompleteness effects. The models show that the optical CMD is heavily contaminated by foreground objects in the region above the TRGB, while in the NIR CMD is it easier to disentangle foreground stars from the stars belonging to CenA-dE1.

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