Fig. 13.
Best fit of synthetic spectra with enhanced abundances of s-elements to the observed spectra of J051110 (top left), J052043 (top right), J052520 (bottom left), and blue spectrum of J052520 (bottom right). The fit with s-process elements enhanced to the spectrum of J052043 required a reduction in abundances of Ti and Fe of −0.5 dex.
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