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Table 2.
Spectroscopic orbital solution for V643 Ori.
| Parameter | Value |
|---|---|
| Adjusted elements | |
| P (days) | 52.42136 ± 0.00014 |
| γ (km s−1) | +32.557 ± 0.067 |
| K1 (km s−1) | 36.307 ± 0.073 |
| K2 (km s−1) | 61.99 ± 0.16 |
| Min I (HJD 2 400 000+) | 47 193.554 ± 0.016 |
| ΔCfA (km s−1) | −0.64 ± 0.16 |
| ΔCORAVEL (km s−1) | −0.40 ± 0.51 |
| Δ (km s−1) | −0.84 ± 0.23 |
| Derived quantities | |
M1sin3i ( ) |
3.254 ± 0.019 |
M2sin3i ( ) |
1.9056 ± 0.0090 |
| q ≡ M2/M1 | 0.5857 ± 0.0019 |
asini ( ) |
101.86 ± 0.18 |
| CfA σ1, σ2 (km s−1) | 0.44/0.95 |
| CfA Nobs, 1, Nobs, 2 | 44/44 |
| CORAVEL σ1, σ2 (km s−1) | 1.31/2.54 |
| CORAVEL Nobs, 1, Nobs, 2 | 35/31 |
| NMin I, NMin II | 19/9 |
Notes. ΔCfA and ΔCORAVEL are the primary minus secondary velocity offsets, Δ is the global CfA minus CORAVEL shift. The minimum masses and semimajor axis are in units of the nominal solar mass and radius (2015 IAU Resolution B3, see Prša et al. 2016).
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