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Table 1

Parameters of the jktebop best fits of the light curve of WASP-7, using different approaches to limb darkening (LD).

Linear LD law Quadratic LD law Square-root LD law Logarithmic LD law Cubic LD law
All LD coefficients fixed:
rA + rb 0.1255 ±  0.0052 0.1180 ±   0.0049 0.1194 ±   0.0048 0.1184 ±  0.0051 0.1223 ±  0.0046
k 0.09598 ±   0.00089 0.09480 ±   0.00075 0.09524 ±   0.00075 0.09475 ±   0.00082 0.09633 ±   0.00060
i (°) 86.61 ±   0.52 87.43 ±   0.59 87.23 ±   0.56 87.39 ±   0.63 86.80 ±   0.47
u A 0.43 fixed 0.20 fixed 0.00 fixed 0.55 fixed 0.20 fixed
v A 0.30 fixed 0.60 fixed 0.25 fixed 0.15 fixed
r A 0.1145 ±   0.0047 0.1078 ±   0.0044 0.1090 ±   0.0044 0.1081 ±   0.0046 0.1116 ±   0.0041
r b 0.01099 ±   0.00053 0.01022 ±   0.00048 0.01038 ±   0.00048 0.01025 ±   0.00051 0.01075 ±   0.00045
σ (mmag) 0.7136 0.6977 0.6946 0.7015 0.6828
Fitting for the linear LD coefficient and perturbing the nonlinear LD coefficient:
rA + rb 0.1224 ±   0.0043 0.1192 ±   0.0047 0.1227 ±   0.0046 0.1221 ±   0.0047 0.1200 ±   0.0044
k 0.09675 ±   0.00069 0.09587 ±   0.00072 0.09646 ±   0.00065 0.09628 ±   0.00069 0.09623 ±   0.00071
i (°) 86.77 ±   0.44 87.15 ±   0.55 86.77 ±   0.48 86.83 ±   0.49 87.05 ±   0.49
uA 0.245 ±   0.047 0.059 ±   0.064 –0.134 ±   0.059 0.387 ±   0.064 0.190 ±   0.051
vA 0.30 perturbed 0.60 perturbed 0.25 perturbed 0.15 perturbed
rA 0.1116 ±   0.0039 0.1088 ±   0.0043 0.1119 ±   0.0042 0.1113 ±   0.0043 0.1095 ±   0.0039
rb 0.01080 ±   0.00043 0.01043 ±   0.00047 0.01079 ±   0.00045 0.01072 ±   0.00046 0.01054 ±   0.00042
σ (mmag) 0.6841 0.6829 0.6826 0.6825 0.6827
Fitting for both LD coefficients:
rA + rb 0.1216  ±   0.0050 0.1199  ±   0.0049 0.1221  ±   0.0054 0.1196  ±   0.0050
k 0.09583  ±   0.00115 0.09537  ±   0.00145 0.09575  ±   0.00148 0.09527  ±   0.00151
i (°) 86.91  ±   0.56 87.15  ±   0.60 86.89  ±   0.63 87.18  ±   0.63
uA –0.021  ±   0.256 –0.866  ±   0.979 0.578  ±   0.391 0.066  ±   0.131
vA 0.42  ±   0.41 1.83  ±   1.60 0.56  ±   0.60 0.54  ±   0.45
rA 0.1110  ±   0.0045 0.1095  ±  0.0045 0.1114  ±   0.0049 0.1092  ±   0.0045
rb 0.01064  ±   0.00051 0.01044  ±   0.00051 0.01067  ±   0.00055 0.01040  ±   0.00052
σ (mmag) 0.6826 0.6818 0.6820 0.6817

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