Coriolis force acting on near-surface horizontal flows during simulations of flux emergence produces a tilt angle consistent with Joy’s law on the Sun

Open Access

Fig. 11.

Tilt angle of the polarities for the non-rotational simulation (blue) and the rotational simulation (red). The geometric tilt angle is shown by the solid curves, and the tilt angle expected from the flows is shown by the dashed curves. The tilt angle resulting from the location of the polarities with a threshold of |B_z|> 800 G applied is shown by the thick shaded curves.

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