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<b>Abstract</b>— <p>During the periods of meteor shower maxima in 2019–2023, small variations in the intensity of solar radiation were noted (<i>F</i><sub>10.7</sub>) in fractions of a percent of the background, calculated in a sliding 5-day window. Estimates of variations in the normalized <i>F</i><sub>10.7</sub> according to the “old” (before 2006) dates of meteor showers. With the transition to new dates of meteor shower maxima, variations in magnetic activity indices disappeared. The filtering effect of meteoric dust on the regulation of variations in solar UV radiation has been proven. An increase in the intensity of UV radiation on the dates of maxima of strong meteor showers has been confirmed by measurements in 2019 at the Russian Antarctic station Novolazarevskaya.</p>

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Variations in F10.7 by New Dates of Maximum Meteor Streams

  • 期刊论文

  • 发表日期：

    2025年5月20日

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  • A. V. Tertyshnikov

摘要

Abstract—

During the periods of meteor shower maxima in 2019–2023, small variations in the intensity of solar radiation were noted (F10.7) in fractions of a percent of the background, calculated in a sliding 5-day window. Estimates of variations in the normalized F10.7 according to the “old” (before 2006) dates of meteor showers. With the transition to new dates of meteor shower maxima, variations in magnetic activity indices disappeared. The filtering effect of meteoric dust on the regulation of variations in solar UV radiation has been proven. An increase in the intensity of UV radiation on the dates of maxima of strong meteor showers has been confirmed by measurements in 2019 at the Russian Antarctic station Novolazarevskaya.