Fig. 7
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Column density maps in an area of 10.8′ × 9.5′ centred at (α, δ)(J2000) = (17:55:57.60, −24:41:13.49), obtained from Marsh et al. (2017). The colour scale is in units of 1020 cm−2. The yellow contour is at 1.155 × 1022 cm−2. The dashed white ellipse roughly comprises the IRDC detected by Chen et al. (2013), and the yellow diamond indicates the central position of the dark cloud 0238 from Dobashi (2011).
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