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Fig. A.5

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Ammonia NH3(1, 1) and (2, 2) spectra toward the source L1251C. The channel spacing is 0.039 km s-1; the spectral resolution FWHP = 0.045 km s-1. The red curves show the fit of a one-component Gaussian model to the original data. The model parameters are listed in Table A.2.

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