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Fig. 10.

image

Schematic damped oscillation of a sectoral r mode with m = 5, seen at a fixed longitude in the Sun’s corotating frame. The value of the e-folding lifetime (vertical line) is as observed (see Table 1). We note that if the oscillation were seen in the Earth’s frame, the observed oscillation period would be about 6 days for m = 5.

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