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Table 3

Bayesian log-evidence for GJ 251 for different models.

Model P (d)
CARMENES
0p − 545.4 ± 0.1 0
1p 14.2 − 525.8 ± 0.2 19.6
2p 14.2, 1.7 − 528.7 ± 0.2 16.7
2p 14.2, 656.0 − 524.5 ± 0.2 20.9
1p + GP 14.2 − 492.2 ± 0.1 53.2
HIRES
0p − 227.3 ± 0.1 0
1p 14.2 − 222.1 ± 0.1 5.2
2p 14.2, 1.7 − 222.2 ± 0.2 5.1
2p 14.2, 601.9 − 211.4 ± 0.2 15.9
1p + uGP 14.2 − 213.3 ± 0.1 14.0
CARMENES + HIRES
0p − 772.0 ± 0.2 0
1p 14.2 − 747.2 ± 0.2 24.8
1cp 14.2 − 744.5 ± 0.2 27.5
2p 14.2, 1.7 − 748.9 ± 0.2 23.1
2p 14.2, 629.2 − 743.5 ± 0.2 28.5
GP − 743.3 ± 0.2 28.9
2p + GP 1.4, 14.2 − 708.9 ± 0.4 63.1
2p + GP 14.2, 667.1 − 707.1 ± 0.3 64.9
1p + uGP 14.2 − 706.2 ± 0.1 65.8
1p + GP 14.2 − 704.8 ± 0.2 67.2
1cp + GP 14.2 − 703.8 ± 0.3 68.2

Notes. Planetary models based on CARMENES, HIRES, and combined CARMENES + HIRES RV data. 0p: 0 planets, 1p: 1 planet, 1cp: 1 planet on a circular orbit (e = 0), 2p: 2 planets. GP and uGP: additional constrained and unconstrained Gaussian processes, respectively. Orbital periods rounded to one decimal.

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