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Table 3
Stellar parameters derived from the combined analysis of the radial velocity and photometric light curve.
| Star 1 | Star 2 | |
|
|
||
| Orbital period (day) | 0.896640 ± 0.000007 | |
| Zero point of ephemeris (HJD) | 2 454 874.46611 ± 0.00014 | |
| Eccentricity | 0 (assumed) | |
| Inclination (°) | 72.34 ± 0.09 | |
| Longitude of periastron (°) | 90 | 270 |
| Systemic velocity (km s-1) | 68 ± 5 | |
| Semi-amplitude of velocity (km s-1) | 276±6 | 276 ± 6 |
| Semimajor axis (R⊙) | 10.25 ± 0.22 | |
| Surface normalised potential | 3.340 ± 0.006 | |
| Mass (M⊙) | 9.0 ± 0.6 | 9.0 ± 0.6 |
| Mass ratio (M2/M1) | 0.999 ± 0.004 | |
| Mean equatorial radius (R⊙) | 4.98 ± 0.12 | 4.98 ± 0.12 |
| Polar radius (R⊙) | 4.24 ± 0.10 | 4.24 ± 0.10 |
| Side radius (R⊙) | 4.60 ± 0.12 | 4.60 ± 0.12 |
| Back radius (R⊙) | 5.48 ± 0.16 | 5.48 ± 0.16 |
| Projected rotational velocity1 (km s-1) | 268 ± 5 | 268 ± 5 |
| Surface effective gravity2 (log g) | 4.07 ± 0.04 | 4.07 ± 0.04 |
| Luminosity ratio (L2/L1) | 0.9999 ± 0.0015 | |
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