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Table 4

Selected clump properties.

Source Velocity Double Increase in Δv Decrease in Δv Outflow Flow along
gradient component towards peak towards peak dominated Δv filament

IRDC 18223 1 18223-2 18223-1 18223-33 ?
18223-1 18223-3
IRDC 18310 18310-4
IRDC 18454 ?
IRDC 18102 18102 18102
IRDC 18151 18151-2 18151-1 18151-23
IRDC 18182 18182-1 18182-2
IRDC 18308 18308-1
IRDC 19.30 G19.30-1 G19.30-2 G19.30-13
G19.30-23
IRDC 11.11 G11.11-1 G11.11-12
G11.11-2
IRDC 15.05 G15.053
IRDC 28.34 G28.34-1 G28.34-10 ?
G28.34-2
IRDC 48.66 G48.663

Notes. The columns are as follows: full region name; flag indicating whether we found a smooth velocity gradient along the region; flag indicating the presence of resolved independent velocity components along a line of sight; two columns for clumps for which we found a clear increase in linewidth toward the center and toward the edge clumps, respectively; flag indicating that the velocity profile is consistent with flows along the filament.

(1)

For 18223 we found several velocity gradients, both along and perpendicular to the filament.

(2)

The angle between the outflow and the linewidth broadening does not match exactly.

(3)

Indirect evidence for outflow (mainly from SiO), but the direction of the outflow is unknown.

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