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Fig. 6

image

Molecular mass as a function of expansion velocity obtained from emission blue-shifted with respect to systemic velocity. The dashed lines are power-law fits to the data in the velocity ranges 10 < voffset(km s−1) < 100 and 100 < voffset(km s−1) < 150, respectively.The arrows indicate the emission associated with the bow shock and the jet, respectively.

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