Open Access
Table 4.
Summary of various kinematic and structural parameters of NGC 2244.
| Parameter | Value | Value at 1500 pc | Section |
|---|---|---|---|
| σ1D | 0.201 ± 0.016 mas yr−1 | 1.43 ± 0.11 km s−1 | 6.3.1 |
| σIQR, 1D | 0.198 ± 0.045 mas yr−1 | 1.41 ± 0.32 km s−1 | 6.3.1 |
| σvir | 0.050 ± 0.003 mas yr−1 | 0.36 ± 0.02 km s−1 | 6.3.1 |
| Mtot | 1000 ± 70 M⊙ | 6.3.1 | |
| Age entire region | 1.6 ± 0.5 Myr | 5.3 | |
| Age NGC 2244 | 1.3 ± 0.4 Myr | 5.3 | |
| rc | 4.6 ± 0.8′ | 2.00 ± 0.35 pc | 4.3 |
| rh | 7.9 ± 0.5′ | 3.4 ± 0.2 pc | 6.3.1 |
| rJ | ≈36′ | ≈15.9 pc | 6.3.3 |
| tcross | 2.3 ± 0.2 Myr | 6.3.2 | |
| trelax | 35 ± 3 Myr | 6.3.2 | |
 |
0.57 | 6.3.4 | |
 |
0.66 | 6.3.4 | |
| Q | 0.86 | 6.3.4 | |
| Σ0 | 6.4 ± 0.7 stars arcmin−2 | 34 ± 4 stars pc−2 | 4.3 |
| Σmean | ∼2.2 stars arcmin−2 | ∼12 stars pc−2 | 4.3 |
| ΣLDR, 10 | 1.06 ± 0.40 | 6.3.4 | |
| σVDR, 10 | 0.50 ± 0.18 | 6.3.4 | |
| σVDR, 50 | 0.85 ± 0.12 | 6.3.4 |
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