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Possible periodicities of high-speed solar plasma
Authors:J Xanthakis  C Poulakos  B Petropoulos
Institution:1. Research Center for Astronomy and Applied Mathematics, Academy of Athens, Greece
Abstract:We have made a statistical analysis of the monthly numbers of high-velocity solar wind streamers observed by the time period 1964–1978.The following periods have been found:
(1)  Eleven years, 6 and 3 months for the solar wind streamers, which have solar flares as sources.
(2)  Fourteen years and 36, 24, 12, 6, 4, 3 months for the number of solar wind streamers, which have coronal holes as sources.
(3)  Sixteen years for the total number of solar wind streamers.
Keywords:
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