Some results of a statistical analysis of the S-component of solar radio emission |
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Authors: | Aurass H Kurths J Voigt W |
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Institution: | (1) Academy of Sciences of the G.D.R., Central Institute for Solar-Terrestrial Physics (HHI), DDR-1199 Berlin-Adlershof, G.D.R. |
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Abstract: | A statistical treatment of the mean daily solar radio flux between 9400 and 1000 MHz (cm-region) for two solar cycles leads to the following results: No differences have been found between the synodic rotation rates T
mon calculated for different single frequency time series as a whole (rigid rotation of emitting regions). From a piece-wise time series analysis it is concluded that T
mon averaged over all observed frequencies and over times belonging to related years of the two cycles shows a well-expressed dependence on cycle with a maximum of 28.8d following 2 y after the activity minimum and a minimum of 27d shortly after polar magnetic field reversal. Discrete spectral lines with periods smaller than T
mon point on the existence of elementary longitudinal regions of extension between 25° and 33°. The observed facts would support a relation between the sources of the large-scale magnetic field and the S-component. |
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