Predicting the length of magnetic cycles in late-type stars - II. Solar and stellar butterfly diagrams: A forked dynamo model

Open Access

Fig. 13

Magnetic field generated in the stellar interiors by a forked dynamo, as a function of the Rossby number, Ro. This magnetic field is the mean magnetic field generated up to the latitude where a pure interface dynamo model works. The fit corresponds to $B_{os}^{max} \propto R o^{- 0.90}$ $B_{{\rm{os}}}^{{\rm{max}}} \propto R{o^{ - 0.90}}$ .

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