Open Access
Table 2.
Parameters of the precessing jet in 3C 66A.
| Parameter, variable | Value | Unit | |
|---|---|---|---|
| Half-opening angle of the cone, | Ω | 0.47 ± 0.17 | ° |
| Precession period, | Pp | 10.88 ± 0.24 | yr |
| Reference time, | t0 | 2016.80 ± 0.14 | yr |
| Angle between the precession | ϕ0 | 3.32 ± 1.18 | ° |
| cone axis and the line of sight, | |||
| Projected angle of the cone | θ0 | 185.19 ± 0.51 | ° |
| axis onto the sky plane |
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