Fig. A.2
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Validation of our custom wavelength calibration. The measurement described in step 1 of Sect. 2.2.1 was repeated after applying the wavelength calibration (black) to the same frame as in Fig. A.1. We only show every fourth measurement for readability. The shaded areas correspond to the slitlets at the edges of the field of view and are cropped out after the wavelength calibration.
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