Impact of photometric redshift selection bias for a COSEBIs 4-bin tomographic analysis of a random intrinsic ellipticity field. The upper triangle shows the E-modes and the lower triangle shows the B-modes, where the error bars in both cases correspond to the level of ellipticity noise in the mocks. Each panel shows COSEBIs for a tomographic redshift bin pair, z − ij, corresponding to the correlation between photometric redshift bins i and j. As our photometric redshift mocks are devoid of any cosmological correlations, in the absence of any selection bias, we would expect both the E and B modes to be consistent with zero.
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