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Fig. 16
Impact of gravity on the blue-violet synthetic spectra of S stars, as judged from the intensity of the CN, CH, MgH, SiH, CaH, TiO, and ZrO bands. The parameters of the adopted MARCS model atmosphere are Teff = 3000 K, C/O = 0.75, [Fe/H] = 0. dex and [s/Fe] = +1. dex.
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