Spectral line maps of the J = 14–13 up to J = 35–34 CO transitions around SMM3. All CO line maps presented show emission extending to the NNW and SSE from the exciting source near the center of each panel with a strong peak towards the NW. The CO J = 23–22 transition is blended with the stronger H2O(414–303) line and is therefore presented in Fig. 8. The enhancement in the J = 31–30 map is due to blending with the OH (3/2–3/2, 7/2+–5/2−) line. A 4.5 μm Spitzer/IRAC image is presented as background on the upper left panel; bright regions correspond to H2 emission, which is spatially coincident with the CO peak. The filled circle and arrows in the lower-right panel display the position of the source (Harvey et al. 2007) and the direction of the outflows (Dionatos et al. 2010b). Contour levels are from 10-14 erg cm-2 s-1 and increase by steps of 10-14 erg cm-2 s-1 (~3-sigma of the weakest transitions).
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