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Fig. 6


Result of the full radiative transfer χ2-model fits for the CH3OH maser E33 detected with the EVN. The fit yields the emerging maser brightness temperature TbΔΩ and the intrinsic maser thermal linewidth ΔVi. Contours indicate the significance intervals Δχ2 = 0.25, 0.5, 1, 2, 3, 7, with the thick solid contours indicating 1σ and 3σ areas.

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