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Long-term analysis shows stability in Jupiter's decametric emissions periodicity over 30 years, indicating significance for astronomical studies.
We investigate the long-term evolution of the periodicity of Jupiter's decametric radio emissions over the 1990–2020 period, using data from the Nançay Decameter Array and an extended version of the Marques et al. (2017a)'s catalogue. We apply a Lomb-Scargle analysis to characterize temporal variations in the radio signal's periodicity. The results show that the radio periodicity of Jovian auroral and Io-induced emissions has been stable over 30 years, with variations on an annual scale.
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Louis et al. (2026) studied this question.
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