From top to bottom: real, imaginary, squared modulus and unwrapped phase of ψ(r) for a circular occulter of radius Ω = 25 m (the vertical line) at z = 80 000 km for λ = 0.55 μm. The continuous line represents the Lommel series, dots are the result of a direct numerical computation of Eq. (1) using NIntegrate of Mathematica.
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