Table 4
Result of least squares fitting to the velocity gradient of the IRAM 30 m H13CO+ maps: velocity gradients and positions angles.
| Source | G | PA | β | J/M |
| [km s-1 pc-1] | [°] | [km s-1 pc] | ||
|
|
||||
| CygX-N3 | 1.97 ± 0.7 | 96 | 30 × 10-4 | 7.88 × 10-3 |
| CygX-N12 | 0.42 ± 0.43 | –89 | 1.5 × 10-4 | 1.68 × 10-3 |
| CygX-N48 | 0.68 ± 0.7 | 46 | 4.2 × 10-4 | 5.33 × 10-3 |
| CygX-N53 | 4.17 ± 0.7 | 67 | 250 × 10-4 | 20.9 × 10-3 |
| CygX-N63 | 1.17 ± 0.34 | –93 | 4 × 10-4 | 1.86 × 10-3 |
Notes. From the systematically derived velocity gradients, we calculated the β parameter (Erot/Epot) and the specific angular momentum, respectively. Note that towards CygX-N12 and -N48, no gradient was found.
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