Measurement of the quality of the wavelength calibration from a reconstructed H-band arc-line frame. Top: for each arc line, the wavelengths are measured at all spatial locations in the 24 reconstructed cubes. The red and blue points then denote the 50-percentile and 95-percentile absolute deviations of the measurements from the expected wavelengths. Bottom: for a single line at a central wavelength, the points (green) show the deviation for each spatial location. The dashed red and blue lines show the 50-percentile and 95-percentile respectively.
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