Difference between photometric and spectroscopic redshifts as a function of spectroscopic redshifts. Left panel: all galaxies with spectroscopic redshifts. The solid points with error-bars correspond to objects with high confidence spectroscopic redshifts (confidence level 2 and 3), while confidence 1 objects are plotted as pink points. Galaxies that are flagged as blended are not shown. Right panel: zoom in the y-axis to highlight the systematic offset at high redshift. The shaded region shows the median and the 68% posterior region on the median from bootstrap sampling including the uncertainties on the photo-zs.
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