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Fig. 3.

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Line flux maps from the SOFIA/FIFI-LS observations. Colour maps show the line flux in 10−17 W m−2 on a 3″ × 3″ (left column) and 1.5″ × 1.5″ (right column) grid, respectively. Pixels with a S/N smaller than 3 are masked. The black circles depict the aperture used to extract the spectrum from the nuclear region (Sect. 2.3.1). We also show contours from the fitted underlying continuum (grey).

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