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. Author manuscript; available in PMC: 2017 Nov 13.
Published in final edited form as: Astron Astrophys. 2017 Jul;603:A124. doi: 10.1051/0004-6361/201730459

Fig. 12.

Fig. 12

Example of A- and E-CH3OH lines (black histogram spectra). A non-LTE LVG model (Tk ≃ 40 K, n(H2) ≃ 3 × 107 cm−3, N(A-CH3OH) = 1.2 × 1013 cm−2, and N(E-CH3OH) = 1.9 × 1013 cm−2) is shown overlaid in red (see Sect. 5.2).