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Fig. 7


Average stacked velocity width of cores identified with ΔV core∕ΔV branch > 1 (left) and those with ΔV core∕ΔV branch < 1 (right). Included in the construction of the left and right panels are 12 and 5 cores, respectively. Only starless cores within the filamentary arms are included, excluding both proto-stellar and central hub region sources. Contours are of the respective average stacked column density in 0.5 × 1022 cm−2 steps from 0 to 6 × 1022 cm−2 on the left, and in 0.4 × 1022 cm−2 steps from 0.2 to 3.8 × 1022 cm−2 on the right.

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