Fig. 4.

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Left panel: residual multiplicative bias (top), additive bias (middle) and estimate for bsm (bottom) as a function of observed magnitude, mAUTO, determined by SEXTRACTOR. Right panel: idem, but as a function of the observed half-light radius, . The orange points indicate the biases when the polarisations are not corrected for PSF anisotropy, whereas the red points are for the standard KSB correction. The black points use bsm to correct for PSF anistropy, resulting in vanishing additive bias by construction (and therefore not shown).
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