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Fig. 5


Spectral slopes for total and residual energies: models vs. observations. a) Observations (symbols) as taken from Fig. 5b from Chen et al. (2013) vs. cross-helicity σc; solid line: residual slope as predicted from observed total energy slope using Eq. (16) (α = 1 model). b) Scatter plot (mT,−mR) from observations (squares); straight lines: relation mR(mT) given in Eq. (9) with α = 0 (dashed line), α = 1 (solid), and α = 2 (dotted).

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