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Fig. 4
Distribution of the line ratio of the 12CO(6–5) transition to the 12CO(3–2) line. Solid contours show the 12CO(6–5) integrated intensity in the velocity range vLSR = [−54, −40] km s-1 from 20% of the peak value in steps of 10%. The black triangles are as in Fig. 2.
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