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Fig. 12


Preferred model: spectra of H2O v2 = 1JKa,Kc = 55,0−64,3 at various positions. The black histogram is the observed spectrum at the centre of continuum, green, blue, cyan, and magenta histograms are the observed spectra along the eastern, southern, western, and northern legs, respectively, at various offset radial distances as indicated in each panel. The red curves are the modelled spectra predicted by ratran, and the blue dashed curves are the same model adopting a high H2O abundance (see the middle right panel of Fig. 9).

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