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Table 4
Stellar parameters derived from the combined analysis of the radial velocity and photometric light curve.
| Primary star | Secondary star | |
|
|
||
| Orbital period (day) | 1.1754514 ± 0.0000015 | |
| Zero point of ephemeris (HJD) | 2 454 518.71500 ± 0.00021 | |
| Eccentricity | 0 (assumed) | |
| Inclination (°) | 62.59 ± 0.04 | |
| Longitude of periastron (°) | 90 | 270 |
| Systemic velocity (km s-1) | −47 ± 4 | |
| Semi-amplitude of velocity (km s-1) | 335 ± 7 | 400 ± 8 |
| Semimajor axis (R⊙) | 19.24 ± 0.26 | |
| Surface normalised potential | 3.4853 ± 0.0011 | |
| Mass (M⊙) | 37.7 ± 1.6 | 31.6 ± 1.4 |
| Mass ratio (M2/M1) | 0.839 ± 0.027 | |
| Mean radius (R⊙) | 7.60 ± 0.10 | 7.01 ± 0.09 |
| Polar radius (R⊙) | 7.13 ± 0.09 | 6.57 ± 0.09 |
| Point radius (R⊙) | 9.77 ± 0.20 | 9.08 ± 0.19 |
| Side radius (R⊙) | 7.50 ± 0.10 | 6.88 ± 0.09 |
| Back radius (R⊙) | 8.09 ± 0.11 | 7.49 ± 0.10 |
| Projected rotational velocity (km s-1) | 290 ± 4 | 268 ± 3 |
| Surface effective gravity (log g) | 4.251 ± 0.022 | 4.245 ± 0.022 |
| Luminosity ratio (L2/L1) | 0.8477 ± 0.0015 | |
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