Fig. 4
Band-pass corrections derived from the composite quasar spectrum of Vanden Berk et al. (2001). This composite spectrum was used in P14 to estimate the reddening along the line of sight of a quasar calibration sample at 0.7 < z < 1.7. The dotted line marks the median band-pass correction of the sample corresponding to bpcP14 = 1.018.
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