Fig.11

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Faculae intensity contrast as a function of μ for different spectral types. The limb brightening curves for the G2, K0 and M0 dwarfs are derived from the parametrization of MHD simulations for 500G faculae, shown in Table 1 in Johnson et al. (2021). The limb brightening curves for other spectral types are linearly interpolated by using the two closet limb brightening curves. For spectral types hotter than G2, we obtained the limb brightening by performing linear extrapolation using the G2 and K0 curves. The limb brightening derived from Meunier et al. (2010) is labeled with orange.
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