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Fig. 2

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Deuteration maps of c-C3H2. Only pixels above 3σ are plotted, pixels below are grey. The dashed black lines represent 90, 50, and 30% of the H2 column density peak value derived from Herschel maps (Spezzano et al. 2016), 2.8 × 1022 cm−2. The black triangle indicates the dust continuum peak (Ward-Thompson et al. 1999), and the white cross shows the c-C3H2 peak. The HPBW is indicated by a red circle in each panel. The dashed line in the left panel shows the cut used to produce Fig. 6.

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