Table 3
Spiral pitch angles for the protoplanetary disk around WaOph 6.
| Source | Spiral arm | Log. μ (°) | Arch. μ (°) |
|---|---|---|---|
| SPHERE | N | 19.79 |
19.54 |
| S | 14.04 |
16.05 | |
| ALMA | N1 | 13.49 |
18.97 |
| S1 | 18.26 |
15.98 | |
| N2 | 10.75 |
17.86 | |
| S2 | 9.09 |
15.26 |
Notes. For the SPHERE data, N corresponds to the northern spiral and S to the southern spiral. In the case of the ALMA data, N1 corresponds to the northern inner spiral, S1 to the southern inner spiral, N2 to the northern outer spiral and S2 to the southern outer spiral. For the Archimedean fit, the pitch angles are estimated at 35 au.
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