Fig. 1

image

Distribution of the mean values of G for all Gaia DR2 sources shown as histograms with 0.1 mag wide bins. The distribution of the Gaia DR1 sources is included for comparison and illustrates the improved photometry at the faintend and the improved completeness at the bright end. The other histograms are for the main Gaia DR2 components as indicated in the legend. See text for further explanations on the characteristics of the histograms.

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