Fig. B.5
All lines of D2CO with the best fit LTE model overplotted. Synthetic spectra in red indicate optical depth beginning to play a significant role i.e., τ > 0.6. Numbers in top right corner with red boxes indicate lines used to fit the column density. The emission line at 332.96 GHz is possibly glycolaldehyde and ethylene glycol, and at 357.91 GHz methyl formate.
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