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Table 6

The clump virial masses and virial parameters, and the estimated external pressure required to bring the clump into virial equilibrium.

Source Mvir αvir
[M] [105 K cm-3]

SMM 1 54 ± 20 0.4 ± 0.4 –2.5a
SMM 2 35 ± 16 0.6 ± 0.5 –1.4a
SMM 3 84 ± 54 0.4 ± 0.4 –4.1a
SMM 4 132 ± 44 0.5 ± 0.4 –6.8a
IRAS 13037-6112 85 ± 23 1.6 ± 0.9 3.0
SMM 5 46 ± 15 1.1 ± 0.9 0.5
SMM 6 183 ± 52 1.7 ± 1.4 7.0
SMM 7 128 ± 39 2.3 ± 1.9 3.2
IRAS 13039-6108 137 ± 39 1.6 ± 0.9 0.7
SMM 8 135 ± 64 2.0 ± 1.8 4.7
SMM 9 273 ± 136 2.8 ± 2.5 12.3
IRAS 13042-6105 69 ± 32 1.4 ± 1.3 1.4

Notes. 

(a)

The negative values suggest that stronger/additional internal pressure is needed to bring the clump into virial balance (see text).

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