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Fig. 17


Top: overlay of the 870 μm continuum emission (black contour) on the velocity field (colors) of the C17O (3–2) line, after tapering the line emission at 1′′. The contour level of the continuum emission is the 9.0 mJy beam-1 level (see Fig. 1). The velocity scale is shown in the color bar at the top of the panel, in km s-1. Other symbols as in Fig. 3. Bottom: position-velocity plot along the major axis of the elongated structure (PA = − 60°), centered at the position of core B, for C17O (contours) and CH3CN (gray scale). Vertical dotted lines mark the position of the cores identified in the continuum. The two horizontal dashed lines mark the velocities 30 km s-1 and 32 km s-1, associated with the hot core emission of cores B and A, respectively.

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