Fig. A.1.
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Images obtained at 1.87μm (F187N; top row) and 4.80μm (F480M; bottom row) with mean roll subtraction, TRAP, IROLL, and IPCA. See text for the details of each algorithm. The images correspond to the largest common field of view probed by the dithering pattern employed during the observation. The plate scale is 31 and 63 mas/pixel for the F187N and F480M images, respectively. A numerical mask with the radius set to the FWHM of the PSF covers the inner part of the F187N images.
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