Fig. 1.
Comparison of observed [F/Fe] ratios as a function of the metallicity and FRUITY magnetic models. Symbols refer to the four data groups: circles represent galactic carbon stars, triangles show SC-type stars, squares stand for extragalactic carbon stars, and pentagons show extrinsic CH/Ba stars. The lines represent theoretical predictions for 2 (for [Fe/H] ≥ −0.7) and 1.5 M⊙ (for [Fe/H] < −0.7) AGB stars at different TPs. A typical error bar is indicated.
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