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Table 2

Approximate lengths and masses of the main structures identified in the column density map.

Structure L Mtot,2 Mtot,8 Mlin,2 Mlin,8
name (pc) (M) (M) (M pc−1) (M pc−1)
North-eastern 7.3 8.8(2) 1.9(1) 1.2(2) 2.5(0)
North-western 4.2 9.6(2) 7.7(1) 2.3(2) 1.8(1)
North clump 1.7 3.1(2) 7.4(1) 1.8(2) 4.4(1)
Bridge 1.5 2.4(2) 2.8(0) 1.6(2) 1.9(0)
Junction 3.5 1.8(3) 7.3(2) 5.3(2) 2.1(2)
Main filament (a) 3.6 2.1(3) 4.7(2) 5.8(2) 1.3(2)

Notes. The columns are: (1) the name of the structure; (2) the approximate length of the structure assuming a distance of 760 pc; (3) the total mass of the structure within a column density contour of 2 × 1021 cm−2 ; (4) the same for a 8 × 1021 cm−2 N(H2) contour; (5) the linear mass of the structure within a column density contour of 2 × 1021 cm−2 ; (6) the same for a 8 × 1021 cm−2 N(H2) contour. (a) Only the part of the main filament southwards of the IRAM footprint is accounted here. The properties of the complete main filament canbe obtained by summing with the junction region. The numbers between parentheses are powers of 10.

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