Abstract
An analysis of temporal spectra of interplanetary scintillations of the radio sources 3C 48 and 3C 298 observed at 111 MHz on the Big Scanning Antenna of the Lebedev Physical Institute at the maximum of the 24th solar-activity cycle is reported. The measured temporal spectra of the scintillations are used to estimate the velocity of the in homogeneities and the index of the spatial spectrum of the turbulence. The dependence of the spectral index of the turbulence on the solar-wind speed persists in periods of high solar activity, when the global spatial structure of the solar wind is strongly modulated by the activity cycle.
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Original Russian Text © S.K. Glubokova, A.V. Glyantsev, S.A. Tyul’bashev, I.V. Chashei, V.I. Shishov, 2015, published in Astronomicheskii Zhurnal, 2015, Vol. 92, No. 1, pp. 38–45.
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Glubokova, S.K., Glyantsev, A.V., Tyul’bashev, S.A. et al. Parameters of the turbulence of the interplanetary plasma derived from scintillation observations of the quasars 3C 48 and 3C 298 at the solar-activity maximum. Astron. Rep. 59, 33–39 (2015). https://doi.org/10.1134/S1063772915010035
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DOI: https://doi.org/10.1134/S1063772915010035