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Fig. 6

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Size (FWHM) of the outflow plotted as a function of the critical density of the corresponding molecular transition used as a wind tracer. Our CO(1 − 0) and CO(2 − 1) IRAM PdBI data are represented by filled circles, while the HCN(1 − 0) observations by Aalto et al. (2012) are denoted by filled triangles. Critical densities were calculated for a molecular medium at T = 100 K. Note that the same conversion factor of 0.828 kpc arcsec-1 has been applied to all data in order to allow comparisons.

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