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Fig. 6

image

Magnetic field magnitude distribution inside toroidal flux ropes with practically elliptic cross sections. The closed lines are cross sections of magnetic surfaces. The values of free parameters are a) M = 10, d0 = 1, e1 = 1.096, d2 = 1.754, e3 = 0.918, d4 = 1.125, e5 = 0.999, d6 = 0.730, e7 = 1.248, d8 = 1.111, e9 = 0.656, and d10 = 1.601; b)M = 10, d0 = 1, e1 = −0.0641, d2 = 0.0972, e3 = 1.057, d4 = 0.355, e5 = 0.0442, d6 = 0.1477, e7 = 0.541, d8 = −0.01687, e9 = −0.769, and d10 = 1.202. The other coefficients are (numerical) zero.

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