Plasma flows and sound-speed perturbations in the average supergranule

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Fig. 8.

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Contributions to the horizontally averaged averaging kernel for the sound-speed perturbations inversions at 0.5 Mm depth. Top row: inversion with the positive δc_s at the supergranule centre. Bottom row: inversion with the negative δc_s at the supergranule centre. Left column: ridge filters. Middle column: phase-speed filters from td₂ to td₆. Right column: phase-speed filters from td₇ to td₁₁.

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