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Fig. 1


Relative dipole field-strength versus the local Rossby number for our sample of models. Filled symbols stand for dipolar, open symbols for multipolar dynamos. The symbol shape indicates the number of density scale heights: Nϱ = 0.5: circle; Nϱ = 1: upward triangle; Nϱ = 1.5: downward triangle; Nϱ = 2: diamond; Nϱ = 2.5: square; Nϱ = 3,3.5,4: star. A cross inscribed in some open symbols means that the field of these models exhibits a strong equatorial dipole component.

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