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Fig. 11


Mean-velocity fields derived from the HCO+(4–3) data set a). Panels b) and c) show a close-up of the CND isovelocities derived from HCO+(4–3) and HCN(4–3), respectively. Contour levels, color scales and velocity reference in all panels as in Fig. 10. See Sect. 6 for details on the different clipping thresholds used.

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