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Table 2

Physical characteristics of molecular clumps A and B.

Clump vc Δv Size N(H2) Mass Density
[km s-1] [km s-1] [arcmin (pc)] [× 1021 cm-2] [M] [cm-3]

A ~66 6 2.8 × 3.8 (3.7 × 5.0) 9.9 12 700 550
B ~69 4 4.3 × 2.2 (5.6 × 2.9) 4.0 4500 230

Notes.LSR central velocity (vc), velocity width (Δv), size, H2 column density, mass, and number density. The linear size, mass, and number density were calculated assuming a distance of 4.5 kpc.

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