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Table 2
Parameters of the WASP-33b system.
| Parameter | Symbol [unit] | Value |
|---|---|---|
| The star | ||
| Effective temperature | Teff [K ] | 7430 ± 100(a) |
| Radius | R⋆ [R⊙ ] | 1.509 (a) |
| Mass | M⋆ [M⊙ ] | 1.561 (a) |
| Metallicity | [Fe/H] [dex] | –0.1 ± 0.2(a) |
| Rotational velocity | v sin i⋆ [km s−1] | 86.63 (b) |
| Systemic velocity | vsys [km s−1 ] | –3.0 ± 0.4(c) |
| The planet | ||
| Radius | Rp [RJ ] | 1.679 (a) |
| Mass | Mp [MJ ] | 2.16 ± 0.20(a) |
| Orbital semi-major axis | a[R⋆ ] | 3.69 ± 0.05(a) |
| Orbital period | P [d] | 1.219870897(d) |
| Transit epoch (BJD) | T0 [d] | 2 454 163.22449(d) |
| Transit depth | δ [%] | 1.4(a) |
| RV semi-amplitude | Kp [km s−1 ] | 231 ± 3(a) |
| Equilibrium temperature | Teq [K] | 2710 ± 50 |
| 2017 January 5 | ||
| Orbital inclination | i [deg] | 89.50(e) |
| Spin-orbit inclination | λ [deg] | –114.05(e) |
| 2018 November 8 | ||
| Orbital inclination | i [deg] | 90.14(e) |
| Spin-orbit inclination | λ [deg] | –114.93(e) |
References. (a) Adopted from Lehmann et al. (2015) with parameters form Kovács et al. (2013). (b) Adopted from Johnson et al. (2015). (c) Adopted from Nugroho et al. (2017). (d)Adopted from Maciejewski et al. (2018). (e)Predicted value using parameters in Johnson et al. (2015).
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