Free Access
Table 1
Number of COUP stars in 15′′ × 15′′ (0.03 pc × 0.03 pc) cells centered on COUP sources (close-neighbors method), and derived stellar densities (surface and volume) for the density peaks seen at different extinctions.
| Region | Column density range | # Sources | Surface stellar density Σ∗ | Volume stellar density ρ∗ |
| (cm-2) | (stars pc-2) | (stars pc-3) | ||
|
|
||||
| TC envelope | <22.0 | 5 | (5.5 ± 0.3) × 103 | (3.5 ± 0.2) × 105 |
| TC core | 22.0–22.5 | 4 | (4.4 ± 0.3) × 103 | (2.8 ± 0.2) × 105 |
| OMC1-S | >22.5 | 6 | (6.6 ± 0.3) × 103 | (4.2 ± 0.2) × 105 |
| OMC1-S (corrected)a | >22.5 | 10 | (1.10 ± 0.03) × 104 | (7.0 ± 0.2) × 105 |
| OHC | >22.5 | 9 | (1.10 ± 0.03) × 104 | (7.0 ± 0.2) × 105 |
| OHC (corrected)a | >22.5 | 19 | (2.10 ± 0.03) × 104 | (1.30 ± 0.02) × 106 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.