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Fig. 4.

image

13CO (black) and C18O (red) line emission contours superimposed on the images of Siptzer-IRAC 8.0 μm (top panel), H2 column density (middle panel), and dust temperature (bottom panel). The emissions are integrated from −48 to −40 km s−1. Contour levels are 40, 50, ..., 90% of each peak emission.

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