Fig. 2
Slit subdivision. The size of each subslit is indicated in pixels. The full slit extends over 64 pixels. The pixel size along the slit is 0.175′′ on average. Black and gray discs correspond to a seeing disc of 0.9′′ FWHM andthree times the seeing, respectively. The central pixel is denoted by a red rectangle. Adapted from Decock et al. (2015).
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