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Table 2
Physical and orbital parameters of the HD 209458 system from previous studies.
| Description | Symbol [units] | Value |
|---|---|---|
| Stellar parameters | ||
| Effective temperature(a) | Teff [K] | 6065 ± 50 |
| Projected rotation speed(b) | v sin i⋆ [km s−1] | 4.70 ± 0.16 |
| Surface gravity(a) | logg [cgs] |  |
| Metallicity(a) | [Fe/H] | 0.00 ± 0.05 |
| Stellar mass(a) | M⋆ [M⊙] | 1.119 ± 0.033 |
| Stellar radius(a) | R⋆ [R⊙] |  |
| Planet parameters | ||
| Planet mass(a) | Mp [MJup] |  |
| Planet radius(a) | Rp [RJup] |  |
| Equilibrium temperature(a) | Teq [K] | 1449 ± 12 |
| Transit parameters | ||
| Epoch(c) | Tc [BJDTDB] | 2454560.80588 ± 0.00008 |
| Period(d) | P [day] | 3.52474859 ± 0.00000038 |
| Transit duration(e) | T14 [h] | 2.978 ± 0.051 |
| Full in-transit duration(e) | T23 [h] | 2.254 ± 0.058 |
| System parameters | ||
| Semi-major axis(a) | a [au] |  |
| Scaled semi-major axis(a) | a∕R⋆ | 8.76 ± 0.04 |
| Inclination(a) | i [deg] | 86.71 ± 0.05 |
| Systemic velocity(f) | γ [km s−1] | − 14.741 ± 0.002 |
| Stellar velocity semi-amplitude(d) | K⋆ [m s−1] |  |
| Projected obliquity(b) | λ [deg] | − 4.4 ± 1.4 |
References. (a) Torres et al. (2008).(b) Winn et al. (2005). (c) Evans et al. (2015). (d) Bonomo et al. (2017). (e) Richardson et al. (2006). (f)Naef et al. (2004).
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