Fig. 4

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CH3OCH3 (top panel) and C2H5OH (bottom panel) lines (black spectrum) towards G335.58. The blue and red spectra represent the one and two temperature component models, respectively. We indicate the upper level energies in the bottom of each panel. C2H5OH is well fitted with only one temperature component while CH3OCH3 requires a second, higher temperature component in order to fit all lines simultaneously.
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