Fig. 7
Convective line shifts depend on wavelength region. Bisectors (tenfold expanded top axes) and profiles (bottom) for spectral lines of similar strength and excitation potential in short- and long-wavelength regions show effects of greater granulation contrast in the blue than in the red. Solid blue curves: Fe II λ 467.017 nm, χ = 2.58 eV; dashed red: Fe II λ 643.268 nm, χ = 2.89 eV.
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