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Fig. 2.

image

Top, left: gas density and mean poloidal stream lines. The red dotted line corresponds to the Alfvénic surface, and the red dashed line corresponds to the fast magneto-sonic surface. The colour of the poloidal stream lines correspond to the logarithm of their magnitude normalised to the sound speed. Top, right: RBφ normalised to BiRin; and mean poloidal field lines. The grey square corresponds to the zoomed in region the bottom figure. Bottom: same as top but zoomed in the greyed region. The black dashed line indicates the surface where ⟨β⟩ = 8πP⟩/⟨B2 = 1.

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