Fig. B.1
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H2 column density maps (left) derived from Herschel SPIRE maps (Spezzano et al. 2016, 2020) and the corresponding H2 column density gradient maps (right) for B68 (top), L1521E (middle), and L1544 (bottom). The dashed line contours represent 90%, 50%, and 30% of the H2 column density peak. The red rectangle marks the location and size of the emission maps observed towards each core. The red circle in the bottomleft corner indicates the Herschel beam size (40").
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