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Fig. 8.
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Maximum brightness contrast as a function of the mean Elsasser number, i.e., a proxy of the mean magnitude of the magnetic field, computed for models with E = 3 × 10−4, Nρ = 6 (stars), E = 10−4, Nρ = 5 (diamonds), and E = 10−4, Nρ = 4 (squares); the color codes the Rayleigh number. For all these models, Pr = 1.
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