Fits employing dust with large FIR emissivity. The left-most frames plot the model-predicted τ(J) against the observed values. The other frames show fit residuals at 160 μm, 250 μm, and 500 μm, where the −5% and +5% error levels are indicated with white and black contours, respectively. The first row shows results for a model with CMM-3 dust, and the second row for a model using a combination of COM and CMM-3. The model on the bottom row also uses two dust components, where CMM-3 is replaced with one with a lower FIR opacity (twice the value in CMM) and a lower spectral index (β ~ 1.7). The model FWHM, A_V, and n₀ values are listed in the second and the k(ISRF) and mass estimates of the filament region in the third frame column.