Fig. 2.
Left panel: histogram of the distribution of WISE band-1 AB magnitudes for optically identified objects in the sample (sample O), colour-coded by the quality of available redshifts (spectroscopic, good photometric with Δz/(1 + z) < 0.1, any photometric, or none). The plot shows 218 600 sources with WISE detections. Right panel: photometric vs. spectroscopic redshift for sources where both are available, showing the distribution of all photometric redshifts and of the good sample.
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