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Fig. 2


XCLASS fit of the selected molecular transitions in the SPWs 0, 3, 4 and 6. Each panel refers to a different spectral window, indicated in the upper-right corner. The observed spectra, extracted from a single pixel of the maps, are shown in black, while the spectral fits to the chosen emission lines are in colors. Different colors are used to distinguish the transitions of distinct molecular species, as indicated at the top of the panels. The spectra are shown in brightness temperatureversus rest frequency.

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