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Table 1
Adopted system parameters of HD 189733.
| Parameter | Value | Reference |
|---|---|---|
| α [J2015.5] | 20:00:43.70 | Gaia DR2a |
| δ [J2015.5] | +22:42:35.3 | Gaia DR2a |
| d | 19.775 ± 0.013 pc | Gaia DR2a |
| RSb | 0.805 (16) R⊙ | Boyajian et al. (2015) |
| MS |  |
de Kok et al. (2013) |
| Prot | 11.953 (9) d | Henry & Winn (2008) |
| KS |  m s−1 |
Triaud et al. (2009) |
| vsys | − 2.361 (3) km s−1 | Bouchy et al. (2005) |
| T0 [BJDTDB] | 2453955.5255511 (88) | Baluev et al. (2015) |
| Porb | 2.218575200 (77) d | Baluev et al. (2015) |
| bc | 0.6636 (19) | Baluev et al. (2015) |
| Rp∕Rs | 0.15712 (40) | Baluev et al. (2015) |
| Mp |  Mjup |
de Kok et al. (2013) |
| a∕Rs | 8.863 (20) | Agol et al. (2010) |
| i | 85.710 (24)° | Agol et al. (2010) |
| Kp | 162.2 (3.3) km s−1 | This workd |
Notes. (a) Gaia Collaboration (2016); Brown et al. (2018). (b)Measured by interferometry. The stellar radius determines the absolute dimension of the semimajor axis and the planetary radial velocity half amplitude Kp. (c) Impact parameter. (d) Kp = 2πa∕Porb sin i.
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