Fig. 26

Comparisons with respect to the external photometric catalogues: Tycho 2, CMC15, APASS, SDSS. The comparisons were carried out with respect to the r′ passbands in all cases except for the Tycho comparison where the VT passband was used. The green and black lines show respectively the median and one sigma points of the residual distributions. The greyscale is linear.
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