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Fig. 4


Top panel: comparison between two light curves obtained for a star with Teff = 5777 K, log g = 4.5 and ΔTspot = 320 K from Phoenix BT-Settl models (red) and solar observed spectra (black), by introducing an equatorial spot covering ~ 0.3% of the visible stellar surface. Bottom panel: difference between the two light curves.

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