Photometric homogenization zeropoint offsets vs. offsets to SDSS. The offsets calculated by the photometric homogenization procedure are plotted as function of the per-tile offsets of stellar photometry between tiles in KiDS-North and SDSS DR9. Black and grey symbols show the SDSS offsets using GAaP and 10′′ aperture-corrected photometry, respectively, with the dashed lines indicating equality. The GAaP and aperture-corrected data are shifted down and up by 0.05 mag, respectively, to improve the clarity of the figure. Each subpanel corresponds to a different passband, denoted by the labels.
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