Table 5
Differences between the PA of frEGGs and its orientation with respect to nearby massive Cygnus OB2 stars.
| Source | PA | PA from #9 | Δ #9 | PA from #22 | Δ #22 | PA from #8 | Δ #8 | PA from MT 516 | Δ MT 516 |
|---|---|---|---|---|---|---|---|---|---|
| (°) | (°) | (σ) | (°) | (σ) | (°) | (σ) | (°) | (σ) | |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
| WDDGGHK2 | 132 | 138 | 0.8 | 136 | 0.5 | 145 | 1.7 | 139 | 0.9 |
| WDDGGHK3 | 138 | 141 | 0.4 | 139 | 0.1 | 147 | 1.2 | 143 | 0.7 |
| WDDGGHK4 | 141 | 144 | 0.4 | 142 | 0.1 | 151 | 1.3 | 147 | 0.8 |
| WDDGGHK6 | 177 | 180 | 0.4 | 172 | 0.7 | 178 | 0.1 | 184 | 0.9 |
| WDDGGHK7 | 108 | 120 | 1.6 | 116 | 1.1 | 136 | 3.7 | 118 | 1.3 |
| WDDGGHK8 | 112 | 125 | 1.7 | 121 | 1.2 | 141 | 3.9 | 125 | 1.7 |
| WDDGGHK9 | 127 | 121 | 0.8 | 116 | 1.5 | 135 | 1.1 | 119 | 1.1 |
| WDDGGHK10 | 90 | 91 | 0.1 | 88 | 0.3 | 105 | 2.0 | 85 | 0.7 |
Notes.(1) Name of the source. (2) Position angle (PA) of each frEGG (we estimate the typical uncertainty of these measurements to be 8°). (3), (5), (7) and (9) PA measured from the considered Cygnus OB2 ionizing candidates to each frEGG. (4), (6), (8) and (10) Difference (absolute value) between the frEGG PAs and the orientation with respect to the ionizing star candidates, in terms of the uncertainty of the PA measurement of each frEGG.
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