Formation properties of Ca II K3 from Model 1. Panel a: joint-PDF of the emergent K3 intensity and the source function at τ = 1 at the wavelength of K3 are shown. Panel b: joint-PDF of the emergent K3 intensity and the z(τ = 1) at the wavelength of K3 are shown. The gray curve in panel b shows the horizontally averaged profile-averaged mean intensity . The panels follow the same format as Fig. 6.
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