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Table 2
Parameters of the τ Boo system.
| Parameter | Value |
|---|---|
| Model parameters of τ Boo AB | |
| log(a∕′′) |  |
| t0 (MJD) |  |
 |
 |
 |
 |
| Ω (°) |  |
| cos i |  |
| MA (M⊙) | 1.35 ± 0.03 |
| MB (M⊙) | 0.49 ± 0.02 |
| d (pc) | 15.66 ± 0.08 |
| Derived parameters of τ Boo AB | |
| RB (a) (R⊙) | 0.48 ± 0.05 |
| Teff, B (a) (K) | 3580 ± 90 |
| MA + MB (M⊙) | 1.84 ± 0.03 |
| t0 (AD) |  |
| P (yr) |  |
| a (au) |  |
| aperi (au) |  |
| e |  |
| ω (°) |  |
| i (°) |  |
| Model parameters of τ Boo Ab | |
| KAb (m s−1) | 468.42 ± 2.09 |
| PAb (days) | 3.312454 ± 3.3 × 10−6 |
| t0,Ab (MJD) | 56401.8797 ± 0.0036 |
| Additional model parameters | |
| γHam13 (m s−1) |  |
| γHam6–γHam13 (m s−1) |  |
| γHam8 – γHam13 (m s−1) |  |
| γHARPS-N – γHam13 (m s−1) |  |
| σRV, Ham13 (m s−1) |  |
| σRV, Ham6 (m s−1) |  |
| σRV, Ham8 (m s−1) |  |
| σRV, HARPS-N (m s−1) |  |
| σρ, pre 1998 (′′) |  |
| σθ, pre 1998 (°) |  |
| σρ, post 1998 (′′) |  |
| σθ, post 1998 (°) |  |
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