Fig. 4
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Simulations of wave propagation in a sunspot umbra by Felipe et al. (2021a). Left panels: time-distance maps of variations in the vertical velocity (top), temperature (middle), and the vertical magnetic field component (bottom) in the chromosphere. Right panels: same quantities obtained after NICOLE inversions of the Ca II 854.2 nm line synthesised from the simulations. From Felipe et al. (2021b).
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