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Table 3

Model comparison of RV-only fits with juliet.

Model Prior Pplanet GP kernel Δ ln Z
1pl 19.93
       
2pl 15.51
       
3pl 9.03
       
4pl −2.15
1pl+GPexp Exp (a) 19.51
       
2pl+GPexp Exp (a) 9.29
       
3pl+GPexp Exp (a) 0.00
4pl+GPexp Exp (a) −0.95
1pl+GPess ExpSinSq (b) 18.06
       
2pl+GPess ExpSinSq (b) 6.32
       
3pl+GPess ExpSinSq (b) −1.59
4pl+GPess ExpSinSq (b) 3.11

Notes. The prior label represents a normal distribution. The final model used for the joint fit is marked in boldface (see Sect. 5.2.2 for details about the selection of the final model). (a) Simple exponential kernel of the form TGP,RV). (b) Exponential-sine-squared kernel of the form ki,j = with a uniform prior in Prot;GP,RV ranging from 30 to 100 d.

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