Fig. 2
Logarithms of the normalised scattering coefficients of a 256 × 256 column density map from an MHD simulation (class 4, see Appendix B), plotted in a lexicographical order. In the 
plot (left), θ1
spans the range 1–8 for each value of j1. In the 
plot (right), θ2
spans the range 1–8 for each value of (j1 = 0, θ1, j2). The computation of the error bars is explained in Sect. 3.4.
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