Table 3.
Orbital solutions for the primary component of 7 Vul.
| Element | Vennes et al. (2011) | This paper |
|---|---|---|
| P (d) | 69.30 ± 0.07 | 69.4212 ± 0.0034 |
| Tperiastr. | 54 248.1 ± 2.7 | 55 986.8 ± 2.9 |
| Tsuper.c. | 54 219.4 | 55 953.5 |
| e | 0.161 ± 0.035 | 0.113 ± 0.032 |
| ω (°) | 247 ± 16 | 264 ± 16 |
| K1 (km s−1) | 8.9 ± 0.4 | 8.86 ± 0.62 |
| γ1 (km s−1) | – | −49.31 ± 0.89 |
| γ2 (km s−1) | −14.8 ± 0.2 | −16.51 ± 0.15 |
| γ3 (km s−1) | – | −16.24 ± 0.64 |
| rms (km s−1) | Not given | 2.13 |
| No. of RVs | 34 | 123 |
Notes. All epochs are in RJD; rms is the rms per 1 observation of unit weight. The systemic velocities γ of individual spectrographs are identified as follows: 1...old DAO mean velocities; 2...sharp Hα cores during the emission phases; 3...broader Hα absorption outside emission phases.
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