Residuals of forward coordinate transforms from MSA to FPA for all of the gratings on the detectors. Left panel: distribution in the detector focal plane. The spectra of the shutters are the wide bands on top and bottom; the stripes in the center are from the fixed slits. Right panel: histograms of residuals in pixels in i and j direction (top, middle) and absolute residuals (bottom). Shown in red are the confidence limits of 68.27% around the median at −0.060 and + 0.062 (i), and at −0.025 and + 0.028 (j), and the limit of 68.27% of absolute residuals (0.071).
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