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Table 2
System parameters of GJ 1214.
| Parameter | Symbol | Value | Unit | Reference |
|---|---|---|---|---|
| Effective temperature | Teff | 3252±20 | K | Anglada-Escudé et al. (2013) |
| Temperature contrast of spots | ΔTspots |  |
K | This work, fitted |
| Stellar surface gravity | logg | 5.01 ± 0.07 | – | Anglada-Escudé et al. (2013) |
| Facula to spot area ratio | Q | 0.0 | – | This work, fixed |
| Rotation period | Prot | 125 ± 5 | days | This work, fitted |
| Planet orbit inclination | i |  |
° | Berta et al. (2011) |
| Planet orbital period | Pplanet | 1.58040482±0.00000024 | days | Kreidberg et al. (2014) |
| Planet transit epoch | t0 | 54966.52488±0.00004 | days | Kreidberg et al. (2014) |
| Planet impact parameter | b | 0.19 |
- | Berta et al. (2012a) |
| Planet to star radius ratio | k | 0.1160±0.0005 | - | Berta et al. (2012a) |
| Johnson B photometric zero point | zB |  |
– | This work, fitted |
| Johnson V photometric zero point | zV |  |
– | This work, fitted |
| Johnson I photometric zero point | zI |  |
– | This work, fitted |
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