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Fig. 3.

image

Observed period spacing pattern of KIC 11721304 (grey squares) with the best model assuming rigid rotation (red; frot = 0.46 ± 0.02 d−1, Π0 = 4320 ± 230 s), and allowing for differential rotation (blue; frot = 0.51 d−1, Π0 = 4430 s, a1 = − 0.04).

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