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Fig. 5


Visibility amplitudes vs. u–v distances for WL12 at both 1.1 and 3 mm. The orange line is our best fit of the data, while the blue and green lines represent two models obtained by decreasing and increasing the envelope mass, respectively. We note that these two models also fail to reproduce the single-dish flux at 1.1 mm (Lommen et al. 2008; Jørgensen et al. 2009), shown by the open triangle.

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