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Fig. 4


Results for the test with isothermal compact sources with noise kn = 0.3. Shown are the input model of column density (frame a)) and temperature (frame b)), the corresponding parameters extracted from noiseless data at 18.3″ resolution (frames c), d)), the observed 250 μm surface brightness (frame e)), the absolute errors of the column density estimates of method B (frame f)), and the absolute errors of the column density and temperature determined with method E (frames g) and h)). In the last three frames, the rms error of the corresponding parameter is given in the figure.

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