Inflection point in the power spectrum of stellar brightness variations. II. The Sun
Context. Young and active stars generally have regular, almost sinusoidal, patterns of variability attributed to their rotation, while the majority of older and less active stars, including the Sun, have more complex and non-regular light curves, which do not have clear rotational-modulation signals. Consequently, the rotation periods have been
Amazo-Gómez, E. M. et al.
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2020