Fig. 9
Dispersion of line-mass fluctuations σMline versus projected length L for the filaments in our sample. The solid line shows the best-fit power-law σMline ∝ L0.7 to the data points. For comparison, the dashed line shows a power-law scaling equivalent to the well-known linewidth–size relation in molecular clouds σv ∝ L0.5 (cf. Larson 1981), with an arbitrary normalization.
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