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Table C.2
Physical parameters of the planetary system HAT-P-12 derived in this work.
| Parameter | Nomen. | Unit | This Work | Hartman et al. (2009) | Lee et al. (2012) |
|---|---|---|---|---|---|
| Stellar parameters | |||||
| Effective temperature | Teff | K | 4665 ± 45 | 4650 ± 60 | – |
| Iron abundance | [Fe/H] | − 0.20 ± 0.09 | − 0.29 ± 0.05 | – | |
| Projected rotational velocity | v sin i⋆ | kms−1 | 0.5 ± 0.5 | 0.5 ± 0.4 | – |
| Mass | M⋆ | M⊙ | 0.691 ± 0.032 ± 0.015 | 0.733 ± 0.018 | 0.727 ± 0.019 |
| Radius | R⋆ | R⊙ | 0.679 ± 0.012 ± 0.005 |  |
0.702 ± 0.013 |
| Mean density | ρ⋆ | ρ⊙ | 2.205 ± 0.077 | − | 2.100 ± 0.089 |
| Logarithmic surface gravity | log g⋆ | cgs | 4.614 ± 0.012 ± 0.003 | 4.75 ± 0.10 | 4.607 ± 0.020 |
| Age | Gyr |  |
2.5 ± 2.0 | 3.2 ± 3.8 | |
| Planetary parameters | |||||
| Mass | Mp | MJup | 0.201 ± 0.011 ± 0.003 | 0.211 ± 0.012 | 0.210 ± 0.012 |
| Radius | Rp | RJup | 0.919 ± 0.022 ± 0.007 |  |
0.936 ± 0.012 |
| Mean density | ρp | ρJup | 0.242 ± 0.017 ± 0.002 | 0.222 ± 0.019 | 0.240 ± 0.012 |
| Surface gravity | gp | ms−2 | 5.89 ± 0.34 | 5.6 ± 0.4 | 6.37 ± 0.30 |
| Equilibrium temperature | Teq | K | 955 ± 11 | 963 ± 16 | 960 ± 14 |
| Safronov number | Θ | 0.0238 ± 0.0012 ± 0.0002 | 0.023 ± 0.001 | 0.0236 ± 0.0015 | |
| Orbital parameters | |||||
| Time of mid-transit | T0 | BJD (TDB) | 2 455 328.49068 (19) | 2 454 419.19556 (20) | 2454187.85560(11) |
| Period | Porb | day | 3.21305992 (35) | 3.2130598 (21) | 3.21305961(35) |
| Semi-major axis | a | au | 0.03767 ± 0.00057 ± 0.00027 | 0.0384 ± 0.0003 | 0.03829 ± 0.00046 |
| Inclination | i | ° | 89.10 ± 0.24 | 89.0 ± 0.4 | 89.915 ± 0.098 |
| RV-curve semi-amplitude | KA | ms−1 | − | 35.8 ± 1.9 | – |
| Barycentric RV | γ | kms−1 | − 40.4589 ± 0.0023 | − 40.51 ± 0.21 | – |
| Projected spin–orbit angle | λ | ° |  |
– | – |
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