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Fig. 5

image

Column density PDFs of Lupus I and their model fits for the north and the center-south parts of the cloud, and for the entire cloud. The error bars show the uncertainties. In the case of Herschel the yellow and purple dashed lines show the fits of the two lognormals to the distribution around the first and second peak, respectively. Their superposition is represented by the solid green line. For LABOCA the solid green line shows the lognormal fit to the distribution around the peak. For all cases the straight solid red line shows the power-law fit to the high-density tail of the PDF, if applicable. In each plot we give the value of the dispersion(s) of the fitted lognormal(s) σi, the position(s) of the peak(s) of the lognormal(s) NH2,peaki, the slope of the fitted power-law tail s, the corresponding slope of an equivalent spherical density distribution α, the mean column density NH2, and the deviation point from the lognormal to the power-law tail NH2,dev. The vertical dashed line marks the incompleteness limit (lowest closed contour), which is 1.1 × 1021 and 2 × 1021 cm-2 for the Herschel and LABOCA map, respectively.

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