Fig. 2
Binned histogram of spectroscopic redshifts from 2SLAQ and photometric redshift estimates from the MegaZ-LRG catalogue. Note that the shading of the bins is logarithmic. The solid line indicates a one-to-one relation between spectroscopic and photometric redshifts, coinciding with the mean trend to high accuracy. The dotted lines correspond to the ± 1σ scatter.
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