Comparison between photometric (zphot) and spectroscopic (zspec) redshifts in the COSMOS field for galaxies with zphot ≤ 3.5 (left panels) and zphot> 3.5 (right panels). The top panels show a direct comparison (with the one-to-one line indicated). The bottom panels show the distribution of the difference between the spectroscopic and photometric redshifts normalised to 1 + zspec. A Gaussian fit to the distribution is shown and the number of sources, the mean, and standard deviation are indicated in the panels.
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