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Table 2
Statistics of the physical properties of all sources, and the infrared-bright and infrared-quiet samples.
| All sources | |||||||||||
| Min | Max | Mean | Median | Stdev | |||||||
|
|
|||||||||||
| Distance [kpc] | 1.00 | 15.6 | 4.9 | 3.9 | 3.30 | ||||||
| R90 [pc] | 0.07 | 1.63 | 0.40 | 0.32 | 0.28 | ||||||
| M18 K [M⊙] | 120 | 0.9 × 105 | 4.5 × 103 | 1.8 × 103 | 7.9 × 103 | ||||||
| Mcorr [M⊙] | 58 | 4.2 × 105 | 2.8 × 103 | 1.3 × 103 | 4.6 × 103 | ||||||
| Σcorr [g cm-2] | 0.27 | 5.9 | 1.11 | 0.75 | 1.02 | ||||||
 [× 105 cm-3] |
0.14 | 44.15 | 3.17 | 1.56 | 5.25 | ||||||
|
|
|||||||||||
| Infrared-bright massive clumps | |||||||||||
|
|
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| Distance [kpc] | 1.0 | 14.20 | 5.14 | 4.20 | 3.43 | ||||||
| R90 | 0.07 | 1.41 | 0.42 | 0.35 | 0.27 | ||||||
| Mass18 K [M⊙] | 120 | 8.7 × 104 | 5.2 × 103 | 2.4 × 103 | 9.3 × 103 | ||||||
| Masscorr [M⊙] | 58 | 4.2 × 104 | 2.7 × 103 | 1.2 × 103 | 4.7 × 103 | ||||||
| Σ18 K [g cm-2] | 0.27 | 6.00 | 0.99 | 0.56 | 1.14 | ||||||
 [× 105 cm-3] |
0.14 | 44.15 | 2.78 | 1.03 | 5.89 | ||||||
|
|
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| Infrared-quiet massive clumps | |||||||||||
|
|
|||||||||||
| Distance [kpc] | 1.15 | 15.60 | 4.47 | 3.70 | 3.05 | ||||||
| R90 | 0.08 | 1.63 | 0.36 | 0.28 | 0.28 | ||||||
| Mass18 K [M⊙] | 200 | 2.1 × 104 | 3.1 × 103 | 1.4 × 103 | 4.5 × 103 | ||||||
| Σ18 K [g cm-2] | 0.51 | 4.05 | 1.31 | 1.03 | 0.74 | ||||||
| [× 105 cm-3] |
0.20 | 18.46 | 3.83 | 2.39 | 3.91 | ||||||
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