Abstract
The limb-darkening data published by Neckel and Labs (1994) (5th-order polynomials P 5(μ), μ = cos θ) are used to represent the limb darkening by the functions L n(μ), proposed first by Kourganoff (1949a). When plotted against wavelength, the coefficients of these functions show a rather low scatter and appear to be linear functions of either λ −1 or λ #x2212;5.
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Neckel, H. On the wavelength dependency of solar limb darkening (λλ303 to 1099 nm). Sol Phys 167, 9–23 (1996). https://doi.org/10.1007/BF00146325
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DOI: https://doi.org/10.1007/BF00146325