Open Access

Table B.2

Fit results of all models for KELT-9 b, KELT-16 b, WASP-4 b, and HD 97658 b.

Planet Model Parameter Value
KELT-9 b Constant period t0 [BJDTDB] 2458162.09128 ± 0.00009
P [d] 1.48111916 ± 0.00000013
BIC 103.73
Orbital decay t0 [BJDTDB] 2458162.09150 ± 0.00013
P [d] 1.48111926 ± 0.00000013
dP/dN [d/orbit] (−11.41 ± 4.98) × 10−10
BIC 95.28
Apsidal precession t0 [BJDTDB] 2458162.09119 ± 0.00009
Ps [d] 1.48111973 ± 0.00000017
e 0.00122 ± 0.00025
ω0 [rad] 4.426 ± 0.254
dω/dN [rad/orbit] 0.001624 ± 0.000300
BIC 90.45
KELT-16b Constant period t0 [BJDTDB] 2458509.84580 ± 0.00010
P 0.96899284 ± 0.00000014
BIC 292.90
Orbital decay t0 [BJDTDB] 2458509.84586 ± 0.00013
P [d] 0.96899283 ± 0.00000014
dP/dN [d/orbit] (−2.73 ± 3.77) × 10−10
BIC 297.63
Apsidal precession t0 [BJDTDB] 2458509.84576 ± 0.00013
Ps [d] 0.96899281 ± 0.00000023
e 0.00065 ± 0.00047
ω0 [rad] 2.838 ± 1.685
dω/dN [rad/orbit] 0.001441 ± 0.000335
BIC 310.95
WASP-4b Constant period t0 [BJDTDB] 2456880.45366 ± 0.00003
P [d] 1.33823132 ± 0.00000002
BIC 351.03
Orbital decay t0 [BJDTDB] 2456880.45387 ± 0.00005
P [d] 1.33823133 ± 0.00000002
dP/dN [d/orbit] (−2.62 ± 0.49) × 10−10
BIC 245.34
Apsidal precession t0 [BJDTDB] 2456880.45359 ± 0.00005
Ps [d] 1.33823140 ± 0.00000008
e 0.00079 ± 0.00020
ω0 [rad] 3.492 ± 0.310
dω/dN [rad/orbit] 0.001089 ± 0.000103
BIC 252.25
HD 97658 b Constant period t0 [BJDTDB] 2456361.80580 ± 0.00024
P [d] 9.48930773 ± 0.00000149
BIC 58.13
Quadratic fit t0 [BJDTDB] 2456361.80625 ± 0.00053
P [d] 9.48929994 ± 0.00000824
dP/dN [d/orbit] (4.20 ± 4.37) × 10−8
BIC 55.05

Notes. BIC stands for Bayesian information criterion; the lower the value, the better the fit, but the number of parameters is also taken into account.

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