Euclid: Improving the efficiency of weak lensing shear bias calibration - Pixel noise cancellation and the response method on trial

Open Access

Fig. 1

Effect of pixel noise on three simulated faint galaxies. While the pixel noise realisation is added in the left panel, it is inverted in the right panel. The pixel noise realisation clearly affects the apparent shape (especially the shape of the faint galaxy on the top right).

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