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Table A.1

Alfvén speed cA, the scaling law parameters α and z, and the spectral index s.

cA [km s-1] α z s

1.25 0.01 0.5025 1.671
14 0.1 0.5238 1.710
50 1 / 3 0.5714 1.8
200 1 0.6667 2
310 2 0.75 2.2
400 3 0.8 2.333
1000 31 / 3 0.9189 2.7
2000 22 0.9583 2.84
8400 100 0.9902 2.961
20 000 240 0.9959 2.984

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