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Table 6

RV-only model comparisons for the targets studied in this paper.

TOI RV-only model Δ ln Z
TOI-2295 No-planet 0
Unconstrained one-Keplerian 32.0
Unconstrained two-Keplerian 62.4

TOI-2537 No-planet 0
Unconstrained one-Keplerian 49.5
Unconstrained two-Keplerian 981

TOI-5110 No-planet 0
Unconstrained one-Keplerian 16.5

TOI-5076 No-planet 0
Unconstrained one-Keplerian(1)
Informed one-Keplerian (fixed period) 1.8
Informed one-Keplerian (Gaussian priors)(2) 3.4

TOI-1836 No-planet 0
Unconstrained one-Keplerian 0.7
Informed one-Keplerian (Gaussian priors)(2) 6.2

TOI-4081 No-planet 0
Unconstrained one-Keplerian 2.7

Notes. For systems in which the unconstrained Keplerian model was statistically indistinguishable from the no-planet model (Δ ln Z ≤ 2) or resulted in unsatisfactory convergence, we applied an informed model (or models). In the multi-planet systems TOI-2295 and TOI-2537, an unconstrained one-Keplerian model was applied to the outer planet. The star TOI-4168 is excluded from the table due to bimodality in the posterior distribution of its no-planet model (see Sect. 4.4). (1)The model resulted in unsatisfactory convergence. (2)Gaussian priors were applied to Tc and period based on TESS photometry.

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