Fig 3.2.2.4.2.1: Spectrum between wavelengths 400..450 nm with radiance I.
Image: AT2-ELS
We start with a solar spectrum of radiance I between wavelengths 400..450 nm.
Note that the input for the simulation is the solar irradiance spectrum and not an earthshine spectrum, which already contains the real Ring effect component. The radiance is here expressed in arbitrary units.