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Fig. 3

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Left: comparison of velocity structure seen in C3 spectra with that seen in transitions of CCH, c-C3H2, HDO, and CN. The HO spectrum along with a Gaussian fit are taken from Flagey et al. (2013). Right: multiple transitions of NH3 observed with Herschel. The dashed vertical lines correspond to the 57.8 and 69.6 km s-1 components as found in the C3 observations (see Table 4).

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