Real data. The three figures are the result of using a ten-way cross-matching approach for the ten bands of the COSMOS photometric real catalog. The upper panel represents the ratio of true positive matches (in blue) and false positive matches (in red) when using the surface brightness prior, as detailed in Sect. 3. This result is very similar to that of the middle panel, which corresponds to the ratio of true and false positive matches (same color code) when using a uniform prior. The bottom panel shows the corresponding results when using the flux prior. In this last case for a value of log 10Bph higher than 2 the ratio of false positive matches is higher than in the two other cases.
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