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Fig. 4

image

Top panel: structure of the “classical” and “chromospheric” model atmosphere of component A. Middle panel: best fit to the observed Ca II triplet, with classical and “chromospheric” model atmospheres. Bottom panel: fit to the strongest component of the Ca II triplet shown on a larger scale. In all three panels, the “stripped model atmosphere”refers to the model briefly discussed at the end of Sect. 5.3.

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