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Table 2
Orbital solution of 9 Sgr.
| All SB2 data | |
|
|
|
| Period (days) | 3324.1 ± 4.3 |
| T0 (HJD−2 450 000) | 6540.0 ± 4.4 |
| e | 0.705 ± 0.007 |
| ω (°) | 26.0 ± 0.9 |
| K1 (km s-1) | 24.9 ± 0.4 |
| K2 (km s-1) | 39.0 ± 0.7 |
| γ1 (km s-1) | 15.8 ± 0.3 |
| γ2 (km s-1) | 5.6 ± 0.3 |
| a sini (R⊙) | 2977 ± 43 |
| q = m2/m1 | 0.64 ± 0.02 |
| m1 sin3i (M⊙) | 19.6 ± 1.0 |
| m2 sin3i (M⊙) | 12.5 ± 0.6 |
| rms(O−C)1 (km s-1) | 4.0 |
| rms(O−C)2 (km s-1) | 2.8 |
Notes. T0 is the time of periastron passage, ω is the primary star’s longitude of periastron measured from the ascending node of the orbit. The quoted uncertainties correspond to 1σ.
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