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Table 12
T-Cyg1-12664 parameters computed for two different epochs.
| Parameter | Q6-1 epoch | Q6-2 epoch |
|
|
||
| Time span | 2 455 376.51579– | 2 455 380.70480– |
| 2 455 380.64350 | 2 455 384.83250 | |
| Geometric and orbital parameters | ||
| P (d) (fixed) | 4.1287955(7) | |
| T0 (BJD) (fixed) | 2 455 415.61831(5) | |
| Δφ | –0.000800 ± 0.000024 | –0.000700 ± 0.000023 |
| q (fixed) | 0.553 ± 0.018 | |
| γ (km s-1) (fixed) | –6.28 ± 0.53 | |
| i (deg) | 87.003 ± 0.012 | 86.931 ± 0.010 |
| e (fixed) | 0.0365 ± 0.0014 | |
| a (R⊙) (fixed) | 11.03 ± 0.21 | |
| ω (deg) (fixed) | 92.8 ± 2.2 | |
| Ω1 | 14.391 ± 0.057 | 14.257 ± 0.038 |
| Ω2 | 19.461 ± 0.072 | 18.937 ± 0.061 |
| F1 (fixed) | 1.041 ± 0.024 | |
| F2 (fixed) | 1.000 | |
| Fractional volumetric radii | ||
| r1vol | 0.07240 ± 0.00060 | 0.07311 ± 0.00040 |
| r2vol | 0.03039 ± 0.00024 | 0.03129 ± 0.00022 |
| Radiative parameters | ||
| Teff1 (K) (fixed) | 5560 ± 160 | |
| Teff2 (K) | 3540 ± 160 | 3380 ± 160 |
| Albedo (fixed) | 0.5 | |
| β1, β2 | 0.4353, 0.3710 | 0.4353, 0.3837 |
 (fixed) |
0.02297 ± 0.00058 | |
| Limb-darkening coeficients (square-root law) | ||
| x1, y1 (bol) | 0.3811, 0.3636 | 0.3811, 0.3636 |
| x2, y2 (bol) | –0.0427, 0.8284 | –0.0427, 0.8284 |
| x1, y1 (KP band) | 0.3598, 0.3869 | 0.3598, 0.3869 |
| x2, y2 (KP band) | 0.0928, 0.8096 | 0.0628 0.8721 |
| x1, y1 (V band) | 0.4786, 0.3242 | 0.4786, 0.3242 |
| x2, y2 (V band) | 0.1759, 0.7896 | 0.1544, 0.8349 |
| x1, y1 (RC band) | 0.3177, 0.4299 | 0.3177, 0.4299 |
| x2, y2 (RC band) | 0.1592, 0.7278 | 0.1061, 0.8169 |
| x1, y1 (IC band) | 0.1795, 0.4965 | 0.1795, 0.4965 |
| x2, y2 (IC band) | –0.1726, 1.0385 | –0.1848, 1.0833 |
| Spot 1 parameters (primary star) | ||
| Colatitude (deg) | 81.3 ± 7.4 | 19.51 ± 0.74 |
| Longitude (deg) | 18.2 ± 1.5 | 20.9 ± 1.8 |
| Radius (deg) | 19.97 ± 0.40 | 29.39 ± 0.45 |
| Tspot/Tsurf | 0.98141 ± 0.00087 | 0.9686 ± 0.0014 |
| Spot 2 parameters (primary star) | ||
| Colatitude (deg) | 34.9 ± 4.1 | 93 ± 72 |
| Longitude (deg) | 286.31 ± 7.3 | 291.8 ± 9.0 |
| Radius (deg) | 14.5 ± 0.66 | 8.1 ± 1.5 |
| Tspot/Tsurf | 0.9801 ± 0.0047 | 0.9862 ± 0.0037 |
| Parameters computed from MCMC | ||
| Δφ | –0.00027 |
–0.00026 |
| i (deg) | 87.009 |
86.9291 |
| Ω1 | 14.48 |
14.30 |
| Ω2 | 18.97 |
18.64 |
| Teff2 (K) | 3548 |
3365 |
| Fractional volumetric radii from MCMC | ||
| r 1vol | 0.0719 |
0.0729 |
| r 2vol | 0.0312 |
0.0318 |
| Derived physical radii from MCMC | ||
| R1 (R⊙) | 0.793 |
0.804 |
| R2 (R⊙) | 0.344 |
0.351 |
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