Fig. 3.
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SSA decomposition of LCs of the blazars PMN J0531−4827 (top) and PKS 1502+106 (bottom), revealing the oscillatory component in the signal. The bottom panels show the decomposition of the two analyzed segments of the LC. The oscillatory patterns extracted from the LCs highlight a periodic component, with the inferred periods and uncertainties. The SSA decomposition follows the steps detailed in Rico et al. (2025).
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