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Fig. 14.

image

Comparison of the scale-independent values ⟨EG⟩ determined for each LRG redshift slice correlated with the KiDS-1000 source sample, varying the galaxy-galaxy lensing analysis assumptions, sample and methodology. Our fiducial analysis adopted a point-based photo-z correction with zB >  zl, R0 = 2.0 h−1 Mpc and a model fitted to (Υgm, Υgg) including non-linear galaxy bias. The upper-left panel compares determinations of ⟨EG⟩ varying the photo-z dilution correction method, the upper-right panel varies the small-scale parameter R0, the lower-left panel varies the lens sample to consider BOSS and 2dFLenS separately, and the lower-right panel alters the fitting method to only include linear galaxy bias, and to use a direct fit to the EG(R) values. The model line in each case is the prediction EG(z) = Ωm/f(z), where Ωm = 0.3.

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