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Table 1
Stellar and planetary parameters of GJ 436 and GJ 436 b.
| Stellar parameters of GJ 436 | Ref. | |
|---|---|---|
| Radius | 0.449 ± 0.019 R⊙ | (a) |
| Mass | 0.445 ± 0.044 M⊙ | (a) |
| Eff. temperature | 3479 ± 60 K | (a) |
| Proj. rot. velocity |  km s−1 |
(b) |
| Rotational period | 44.09 ± 0.08 d | (b) |
| Inclination rot. axis |  |
(b) |
| Distance | 9.756 ± 0.009 pc | (c) |
 |
− 5.32 ± 0.07 | (d) |
| LX∕LBol | 1.950 × 10−6 | (e) |
| Planetary parameters of GJ 436 b | Ref. | |
| Radius | 4.04 ± 0.85 R⊕ | (f) |
| Mass |  M⊕ |
(f) |
| Orbital period | 2.64389803 ± 0.00000026 d | (f) |
| Semi-major axis | 14.54 ± 0.14 R⋆ | (f) |
| Ref. time (BJD) | 2454865.084034 ± 0.000035 | (f) |
| Orbital inclination |  |
(b) |
| Eccentricity | 0.1616 ± 0.004 | (f) |
| Arg. periastron |  |
(f) |
References. (a) Mann et al. (2015), (b) Bourrier et al. (2018c), (c) Gaia Collaboration (2018), (d) Suárez Mascareño et al. (2015), (e) Sanz-Forcada et al. (2011), (f) Lanotte et al. (2014).
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