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Fig. 4.
Observed (black) and modelled (red) spectra in L694-2, for N2H+ (top panels), N15NH+ (middle panels), and 15NNH+ (bottom panels). The modelling was performed with MOLLIE as described in Sect. 4. The left panels show the entire acquired spectra, while the right ones are zoom-ins of the grey shaded velocity range.
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