Fig. 4
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CHEOPS PSF shape as a function of the target location in the CCD. Each PSF is at the centre of a 200 × 200 window, where the coordinates of the bottom-left corner of the window are given in the figure for each PSF. Each image was taken with an exposure time of 1.05 s. The target used as a reference star is HD 88742 (visit ID: CH_PR330096_TG0007).
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