Evidence of apsidal motion and a possible co-moving companion star detected in the WASP-19 system

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Table 5

Median values of the five posterior distributions shown in Fig. 6 and corresponding χ² (calculated before introducing the contribution of the jitters to the uncertainty, as in Eq. (11)).

Solution		χ²
A	−0.064	416
B	+0.065	408
C	+0.163	423
D	+0.261	424
E	+0.479	430

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