Fig. 4.
Left panel: distribution of axis ratios of galaxies determined by GALFIT from ACS imaging of COSMOS. Right panel: distribution of half-light radii of galaxies determined by GALFIT from ACS imaging of COSMOS. Not all galaxies in the HST catalogue were detected in KiDS, but this does not appear to affect the ellipticity distributions significantly. Faint galaxies (mr > 25) that are also smaller in size are preferentially detected in KiDS, but no such trend is found among the bright galaxies (mr ≤ 25).
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