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Table 2

Observed and derived parameters (assuming LTE) of each molecular clump.

Clump 1B 2B 1D 2D 1I 2I
Velocity (km s−1) 278.5 284.0 278.5 279.5 278.5 283.5
R (pc) 6.4 6.5 7.7 5.3 8.4 6.3
τ12 8.8 9.5 10.6 15 8.8 8.2
τ13 0.1 0.2 0.2 0.3 0.2 0.1
Tex (K) 8 13 11 7 10 8
N(H2) (× 1022 cm−2) 1.6 2.3 2.5 2.3 3.9 1.0
MLTE (× 104 M) 0.8 1.1 1.3 1.1 2.0 0.5

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