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Fig. 6

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Comparison between the peak column densities (N0) and widths (FWHM) of the fibers in the EMERGE Early ALMA Survey (circles, this work), the Herschel filaments in the HGBS (squares, Arzoumanian et al. 2019). The large circles represent the median widths and densities per region in our survey. The dashed black line indicates the limit for unresolved fibers in our study (3 × θbeam, or 0.027 pc). Different curves denote representative examples of the FWHMN0 dependence expected in pressure-truncated filaments with (TK,Pext/kB) = (10 K, 2 × 104 K cm−3; dash-dotted line) and (TK,Pext/kB) = (20 K, 2 × 105 K cm−3; dotted line), respectively (Fischera & Martin 2012), as well as those for weakly magnetised filaments (β = 0.3) (Heitsch 2013b).

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