Contours of the integrated CO 2−1 and 3−2 emission between 50–70 km s-1 (blue) and 70–110 km s-1 (red). All contours start at 5σ and are spaced by 5σ (1σ = 0.27 K km s-1 for CO 2−1 and 0.33 K km s-1 for CO 3−2). The main beam sizes are 27′′ for CO 2−1 and 18′′ for CO 3−2. The star at (0, 0) marks the position of IRAS 17163.
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