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Fig. A.1

image

Top: N(H2) column density map (18.2′′ resolution) in linear scale (sidebar scale ranges from 0.0 to 2.0 × 1021 cm-2). The green contours mark the regions with N(H2) 2.0 × 1021. The red contours mark the densest regions of Musca, where N(H2) 4.0 × 1021. Bottom: dust temperature map (36.3′′ resolution) in linear scale (sidebar scale ranges from 12 to 15 K). The blue contours correspond to 13.5 and 14.0 K. The compass indicates equatorial north and east. North is rotated by 56° from up. The observed map has a size of about 3°× 1.2°, or 10 × 5 pc at 200 pc.

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