Table 5
Keplerian orbital parameters of GJ 338 Bb from pre-whitening and Gaussian process regresion methods.
| Pre-whitening | GP regression | ||
|---|---|---|---|
| Parameter | GJ 338B b | Prior | GJ 338B b |
| P (d) | 24.40 ± 0.04 |  (24.39, 24.50) |
24.45 ± 0.02 |
| T0 (BJD-2,400,000) (1) | 57 831.2 ± 2.0 |  (0, 30) |
 |
| e | 0.25 ± 0.13 |  (0, 0.8) |
 |
| ω (deg) | 144.9 ± 31.8 |  (−2π, 2π) |
 |
| K (m s−1) | 2.8 ± 0.4 |  (0, 10) |
3.07 ± 0.37 |
| v0 (m s−1) (2) | 0.09 ± 0.23 |  (−100, 100) |
3.16 ± 0.32 |
| mp sin i (M⊕) (3) | 9.15 ± 1.11 |  |
|
| mp sin i (M⊕) (4) | 8.90 ± 1.20 |  |
|
| a (au) | 0.142 ± 0.014 | 0.141 ± 0.005 | |
| Teq (K) (5) | 300–390 ± 30 | 301–391 ± 20 | |
Notes. (1) T0 corresponds to the periastron passage. The reference time for the Gaussian process (GP) regression is 2 457 500.0. (2) Arbitrary zero point applied to CARMENES VIS RVs. (3)Derived by adopting the mass of 0.64 ± 0.07M⊙ for the parent star. (4)Derived with stellar mass determined by Schweitzer et al. (2019). (5) For Bond albedo in the interval 0.65–0.0.
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