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Fig. A.1


Channel maps of SiO(5–4) emission for the northern (top, color-coded blue) and southern (bottom, color-coded red) ALMA fields. Each map covers a 3.33 km s-1-wide velocity range indicated in the top row. First contour and interval are at 0.15 K km s-1. Compare to the equivalent maps for CO shown in Fig. 4.

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