Fig. 12.
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Fraction of total blends for the LSST-like I1 images estimated by matching to Euclid VIS galaxies. Top: fraction of total blends as a function of the matching radius. The horizontal axis is the matching radius and the vertical dashed line indicates θ = 0.73″, approximately the PSF FWHM of LSST-like data. Bottom: example of total blends with left and right being the simulated Euclid VIS and LSST-like r-band images, respectively. SExtractor Kron ellipses are overlaid for the detected objects.
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