spleaf.fenrir.SpotsLatDistInterpolator.compute_Fourier#

SpotsLatDistInterpolator.compute_Fourier(sig_rv_phot, sig_rv_cb, sig_phot, a180, **kwargs)#

Compute the Fourier decomposition of the kernel.

Parameters:
sig_rv_phot, sig_rv_cb, sig_photfloat

Amplitudes of the three modeled effects (photometric and convective blueshift effects on radial-velocity, photometric effect)

a180float

Relative amplitude of the spots/faculae at the opposite longitude.

**kwargs

Parameters at which to compute the interpolation.

Returns:
ab(2, nharm + 1, 2, 2) ndarray

Fourier coefficients, ordered such as ab[0, 2, 0] and ab[0, 2, 1] are the cosine coefficients of the second harmonics of the RV and photometric timeseries respectively, while ab[1] are the sine coefficients.