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Fig. 14.

image

Longitudinal component of the magnetic field of LkCa 15 from CaII 8542 Å profiles as a function of time (top panel) and in phase (bottom panel) with the 5.7-day ASAS-SN photometric period and JD0 = 2457343.8. A sine wave at the 5.7-day period is overplotted.

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