Fig. B.1.

Column density map of CH3OH derived as explained in Sect. 4.1. The black contours represent increasing 10% steps of the N column density map, derived by Spezzano et al. (2016). The beams are shown in the bottom right corner of the figure, in yellow for Herschel/SPIRE and in white for the 30 m telescope. The black cross marks the dust continuum peak.
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