Zoom on the red wing of the Hα line from the Giraffe HR14B solar spectrum (black line). Two synthetic spectra are overplotted: in red a synthetic spectrum with Teff = 5689 K and in blue Teff = 5777 K (the values of the other parameters are those of the Sun: log g = 4.44 and [Fe/H] = 0.0 dex).
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