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Table 3

Fourier decomposition of the δ Scuti pulsation of WASP-33.

Data i νi [d-1] Ai [mmag] ϕi [rad]

HATNet 1 15.2164306 0.758 3.982
±0.0000409 ±0.085 ±0.218
2 20.1622967 0.733 5.087
±0.0000497 ±0.080 ±0.244
3 21.0633928 0.719 4.442
±0.0000485 ± 0.078 ± 0.225
HATNet+FUP 1 15.2151797 0.477 0.429
±0.0000198 ±0.054 ±0.113
2 20.1623010 0.739 5.167
±0.0000127 ±0.053 ±0.081
3 21.0634621 0.728 4.776
±0.0000127 ±0.049 ±0.081

Notes. The following Fourier sum was fitted to the data (after pre-whitening by the transit signal): , where t0 = 2   454   500.0. Errors have been computed from Monte Carlo runs and correspond to 1σ limits.

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