Fig. 11

Comparison of the photometric redshifts estimated using TPZ with the spectroscopic redshifts from the SDSS and GAMA surveys for the 174 of the 933 sources in the ATLAS field. The left panel shows the comparison for 55 extended sources and the right panel for 119 point-like sources. The median error of the photo-z varies from 0.19 to 0.26 and the median confidence level from 0.36 to 0.49, depending on the morphology of the source and the available photometric bands (Table 5). A significant fraction of outliers exists in the case of the point-like sources, even when seven or even ten photometric bands are used. This number can be greatly reduced when a cut is applied on the confidence level of the photometric redshift, as discussed in the text (zconf > 0.6).
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