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Table 2
Comparison between the density analysis using the close-neighbors method, with cells centered on COUP sources with areas of 15′′ × 15′′ (0.03 pc × 0.03 pc) and 24′′ × 24′′ (0.05 pc × 0.05 pc).
| Region | Column density range | # Sources | Clustering parameter | Volume stellar density ratio | |
| (cm-2) | 15′′ × 15′′ | 24′′ × 24′′ | α | ρ∗ [0.03 pc] / ρ∗ [0.05 pc] | |
| 0.03 pc × 0.03 pc | 0.05 pc × 0.05 pc | ||||
|
|
|||||
| TC envelope | <22.0 | 5 | 7 | 0.7 | 2.9 |
| TC core | 22.0–22.5 | 4 | 5 | 0.8 | 3.3 |
| OMC1-S | >22.5 | 6 | 8 | 0.8 | 3.1 |
| OHC | >22.5 | 9 | 13 | 0.7 | 2.8 |
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