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Table 5.
Spectroscopic orbital elements for α Aur.
| Parameter | Value |
|---|---|
| P (days) | 104.021572 ± 0.000056 |
| γ (km s−1) | 29.4232 ± 0.0004 |
| KA (km s−1) | 25.9283 ± 0.0019 |
| KB (km s−1) | 26.8219 ± 0.0062 |
| e | 0.000397 ± 0.000024 |
| ω (°) | 317.0 ± 3.5 |
| T0 (HJD) | 2 454 381.4 ± 1.0 |
| aA sin i (106 km) | 37.0878 ± 0.0027 |
| aB sin i (106 km) | 38.3660 ± 0.0089 |
| MAsin3i (M⊙) | 0.80430 ± 0.00038 |
| MBsin3i (M⊙) | 0.77751 ± 0.00021 |
| NA, NB | 9629, 9561 |
| rmsA (km s−1) | 0.062 |
| rmsB (km s−1) | 0.198 |
Notes. Suffix A for primary (G8 III), B for secondary (G0 III). The parameter N is the number of measurements used in the orbit computation; T0 is the time of periastron, or ascending node for circular orbits.
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