Left panel: 870 μm continuum emission map. Dust clumps are indicated. The grayscale goes from −0.1 to 2.0 Jy beam-1. Contour levels correspond to 0.2, 0.35, 0.5, and 0.7 Jy beam-1, and from 0.75 to 2.0 Jy beam-1 in steps of 0.25 Jy beam-1. The large square indicates the region observed in CO lines and the different symbols have the same meaning as in Fig. 6. Right panel: overlay of the emission at 870 μm (grayscale) and the CO contours of Fig. 6. IR sources listed in Table 3 are indicated.
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