Table 2
Adopted values for the orbital and physical parameters of HD 189733b.
| Parameters | Symbol | Values | Units | References |
|
|
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| Transit epoch (BJD) | T0 | 2 454 279.436714 ± 0.000015 | days | Agol et al. (2010) |
| Orbital period | P | 2.21857567 ± 0.00000015 | days | Agol et al. (2010) |
| Planet/star area ratio | (Rp/Rs)2 | 0.02391 ± 0.00007 | Torres et al. (2008) | |
| Transit duration | tT | 0.07527 ± 0.00037 | days | Triaud et al. (2009) |
| Impact parameter | b | 0.6631 ± 0.0023 | R⋆ | Agol et al. (2010) |
| Orbital semi-major axis | a | 0.0312 ± 0.00037 | AU | Triaud et al. (2009) |
| Orbital inclination | i | 85.710 ± 0.024 | degrees | Agol et al. (2010) |
| Orbital eccentricity | e | 0 | fixed | |
| Longitude of periastron | ω | 90 | degrees | fixed |
| Stellar velocity semi-amplitude | K 1 | 200.56 ± 0.88 | km s-1 | Boisse et al. (2009) |
| Systemic velocity | γ | −2.2765 ± 0.0017 | km s-1 | Boisse et al. (2009) |
| Stellar mass | M ⋆ | 0.823 ± 0.029 | M ⊙ | Triaud et al. (2009) |
| Stellar radius | R ⋆ | 0.756 ± 0.018 | R ⊙ | Torres et al. (2008) |
| Planet mass | M P | 1.138 ± 0.025 | M J | Triaud et al. (2009) |
| Planet radius | R P | 1.138 ± 0.027 | RJ | Torres et al. (2008) |
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