Abstract
The solar p-mode spectrum of very low I is measured with high accuracy for a long enough period of time so as to allow the search for solar cycle variations. In this paper solar cycle variations of the frequency and energy of the modes are confirmed. Moreover, a slight variation,within errors, of its rotational splitting with the solar cycle, is suggested.
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Jiménez, A., Pallé, P.L., Régulo, C. et al. Secular variations in the spectrum of solar p-modes. Sol Phys 152, 253–260 (1994). https://doi.org/10.1007/BF01473212
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DOI: https://doi.org/10.1007/BF01473212