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Table 4

Physical properties of the LABOCA 870 μm clumps.

Source T dust M N(H2) ⟨ n(H2) ⟩
[K] [M⊙] [1022 cm-2] [104 cm-3]
SMM 1 14.0 128 ± 68 2.6 ± 0.4 1.5 ± 0.8
SMM 2 12.5 64 ± 34 2.4 ± 0.3 2.4 ± 1.3
SMM 3 13.7 71 ± 38 2.5 ± 0.4 3.6 ± 1.9
SMM 4 13.2 136 ± 73 3.5 ± 0.5 3.8 ± 2.0
IRAS 13037 20.0 59 ± 31 1.4 ± 0.2 3.5 ± 1.8
SMM 5 14.0 23 ± 13 1.4 ± 0.3 2.9 ± 1.6
SMM 6 14.1 34 ± 18 2.2 ± 0.3 > 1.5 a
SMM 7 14.5 41 ± 22 1.7 ± 0.3 2.9 ± 1.5
IRAS 13039 22.2 58 ± 31 1.4 ± 0.2 2.1 ± 1.1
SMM 8 13.9 24 ± 13 1.6 ± 0.3 > 1.1 a
SMM 9 16.3 54 ± 29 1.9 ± 0.3 4.5 ± 2.4
IRAS 13042 15.1 17 ± 10 1.1 ± 0.2 > 0.7 a
BLOB 1 11.5 39 ± 21 2.6 ± 0.4 > 1.8
BLOB 2 14.9 23 ± 13 1.3 ± 0.2 3.6 ± 2.0

Notes.

(a)

The effective radius of the clump was unresolved, and hence only a lower limit to the number density could be calculated. The uncertainty in the density is taken into account in the quoted lower limit value.

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