Radex results obtained from the 12CO lines toward the peaks of the most intense clumps: 2B, 1D, and 1I (from top to bottom). Dashed lines are the results obtained from the assumption that 50% of the 12CO J = 3–2 emission arises from the cold component at 20 K. The gray shaded areas in each panel show the regions of most probable values of N(CO) and . For comparison, results obtained from the 13CO J = 3–2 line are also included.
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