meepmeep.numba3d.lambert_phase_curve_o

meepmeep.numba3d.lambert_phase_curve_o(t, ag, k, tpa, p, dt, ep_table, ep_times, coeffs)

Lambertian phase-curve flux contribution.

Evaluates \(F(t) = (k/r(t))^2\, A_g\, f(\alpha(t))\) where \(f\) is the Lambert kernel, \(\alpha(t)\) is the instantaneous phase angle, and \(r(t)\) is the instantaneous star-planet distance in stellar radii. The result is the planet-to-star flux ratio of reflected light.

Accepts a scalar time t or a 1-D array of times and dispatches to the scalar (_lambert_phase_curve_os()) or vector (lambert_phase_curve_ov()) kernel at compile time (inside @njit) or at call time (pure Python).

Parameters:

tfloat or ndarray

Time(s) at which to evaluate the flux contribution.

agfloat

Geometric albedo.

kfloat

Planet-to-star radius ratio \(R_p/R_\star\).

tpa, p, dt, ep_table, ep_times, coeffs

See _pos_os().

Returns:

fluxfloat or ndarray

Reflected planet-to-star flux ratio. Arrays of shape (N,) for an array time argument.