Fig. B.1.
Rotational diagrams of H2CO and CH3OH using the integrated fluxes from this study and assuming optically thin emission. The integrated flux of the H2CO 91, 8 − 81, 7 transition from van der Marel et al. (2014) is included as a lower limit. The red line provides the best fit through the data points, and the grey lines are drawn from the posterior distribution from the fitting (Fig. B.2).
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