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Fig. 21
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Distribution of total hydrogen column densities in filaments. Top: NHtot as a function of length P/2. The fit ln(NHtot) = 47.0 ± 0.02 + (1.345 ± 0.008) ln(P/2) is indicated by the red line. Bottom: NHtot as a function of surface nS and with the fit ln(NHtot) = 47.1 ± 0.02 + (1.089 ± 0.005) ln(nS) shown as a red line.
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