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Table 1
Parameters of the exoplanet system HD 189733.
| Parameter | Value | Reference |
|---|---|---|
| α [J2000] | 20:00:43.71 | Gaia DR2a |
| δ [J2000] | +22:42:35.2 | Gaia DR2a |
| V | 7.65 mag | Koen et al. (2010) |
| J | 6.07 mag | Skrutskie et al. (2006) |
 |
0.756 ± 0.018 R⊙ | Torres et al. (2008) |
| K⋆ | 201.96 m s−1 |
Triaud et al. (2009) |
| vsys | –2.361 ± 0.003 km s−1 | Bouchy et al. (2005) |
| a | 0.03120 (27) au | Triaud et al. (2009) |
| e | 0.0041 |
Triaud et al. (2009) |
| Porb | 2.21857567 (15) d | Agol et al. (2010) |
| T0 | 2454279.436714 (15) d | Agol et al. (2010) |
| i | 85.71 ± 0.024 deg | Agol et al. (2010) |
| RPb | 1.138 RJ |
Torres et al. (2008) |
| KPc | 152.5 km s−1 |
Brogi et al. (2016) |
| vwind | –3.9 ± 1.3 km s−1 | This work |
Notes. (a) Gaia Collaboration (2018). (b)Equatorial radii. (c) Value derived from orbital parameters.
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