Table 3
Physical properties of SDC13 filaments.
| Name | Sizesdec | Aspect ratio | Mass | Density | M line | ∇V |
| (pc × pc) | (M⊙) | (×104 cm-3) | (M⊙ pc-1) | (km s-1 pc-1) | ||
|
|
||||||
| Fil-NEn | 1.8 × 0.3 | 6 | 256 ± 32 | 3.5 ± 0.4 | 142 ± 18 | 0.22 ± 0.07 |
| Fil-NEs | 1.6 × 0.3 | 5 | 211 ± 30 | 3.2 ± 0.5 | 117 ± 19 | 0.63 ± 0.19 |
| Fil-NW | 2.6 × 0.2 | 13 | 195 ± 31 | 4.1 ± 0.7 | 75 ± 12 | 0.36 ± 0.11 |
| Fil-SE | 1.9 × 0.3 | 6 | 216 ± 32 | 2.8 ± 0.4 | 114 ± 17 | 0.62 ± 0.14 |
Notes. Column 1: filament name; Col. 2: deconvolved filament sizes; Col. 3: filament aspect ratios. Given the dynamics of the SDC13 filaments, i.e. all collapsing towards one of their end, the values given in this column correspond to half of the aspect ratios used for the modelling in Sect. 4.3; Col. 4: filament mass; Col. 5: filament volume density assuming cylindrical geometry; Col. 6: filament mass-per-unit-length; Col. 7: filament velocity gradients measured up to a distance of 1.5 pc for all filaments (leaving out the flat part of the velocity profile, see Fig. 5).
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