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Fig. 6.
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Ratio of the local radial shear to the local convective Rossby number as a function of latitude (in degree) at the midgap, r/ro = 0.5, for varying Rosh. Solid lines denote stable dipolar states, with magnetic topology as depicted in Fig. 5a, and dashed lines denote collapsed dipoles as those depicted in Fig. 5b.
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