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Table 2

System parameters and priors used in the transit modelling.

Parameter Prior Derived value
WASP-18b
T0 (BJD) U(2458021.125, 2458023.125) 2458022.125237(37)
P (days) U(0.44145, 1.44145) 0.941452397(44)
rp/R U(0.04776, 0.14776) 0.09765 ± 0.00017
a/R U(1.0, 5.0) 3.456 ± 0.017
i (°) U(60, 90)
u1 N(0.361712, 0.1) 0.300 ± 0.020
u2 N(0.158463, 0.1) 0.159 ± 0.037
WASP-19b
T0 (BJD) U(2456020.704, 2456022.704) 2456021.70386(50)
P (days) U(0.28884, 1.28884) 0.78883896(14)
rp/R U(0.09233, 0.19233)
a/R U(1.0, 5.0)
i (°) U(60, 90)
u1 N(0.435405, 0.1)
u2 N(0.132505, 0.1)

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