Contour plots of χ2 of MIRO observations compared to models. The χ2 for the SubMM data is shown in the left-hand figure; the χ2 for the MM data is shown on the right. χ2 values have been normalized to the minimum value found in the fit, and the contours are shown for 1.1, 1.25, 1.5, 2, 3, and 4 times this minimum value. The scale for thermal inertia is logarithmic, but labeled with the values of the grid parameters. The LA/LT ratio models for the grid were computed on a linear scale. A (+) symbol is plotted at the location of the minimum value of χ2 derived from fitting the grid data near the minimum. The error ellipse, corresponding to an increase in χ2 of 5% above the minimum is shown.
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