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Table 2
Spectroscopic orbital elements of Capella.
| Parameter | Our value | Torres et al. |
|
|
||
| P (days) | 104.02173 ± 0.00022 | |
| TPeriastron (HJD 24+) | 54 389 ± 2.8 | 47 528.514 ± 0.016 |
| γ (km s-1) | 29.9378 ± 0.0026 | 29.653 ± 0.035 |
| KA (km s-1) | 25.960 ± 0.0065 | 26.005 ± 0.036 |
| KB (km s-1) | 26.840 ± 0.024 | 26.260 ± 0.087 |
| e | 0.00087 ± 0.00013 | 0.0 |
| ω (deg) | 345 ± 9.7 | – |
| aA sin i (106 km) | 37.134 ± 0.0093 | |
| aB sin i (106 km) | 38.392 ± 0.034 | |
| MA sin3 i (M⊙) | 0.8064 ± 0.0014 | |
| MB sin3 i (M⊙) | 0.7800 ± 0.0008 | |
| NA, NBa | 424, 431 | 504, 162b |
| rmsA (m s-1) | 64 | |
| rmsB (m s-1) | 297 | |
| mass ratio, q ≡ MB/MA | 0.9673 ± 0.0020 | 0.9903 ± 0.0036 |
| inclination, i (deg) | 137.21 ± 0.05 | |
| MA (M⊙) | 2.573 ± 0.009 | 2.466 ± 0.018 |
| MB (M⊙) | 2.488 ± 0.008 | 2.443 ± 0.013 |
| RA (R⊙) | 11.87 | |
| RB (R⊙) | 8.75 | |
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