A Complete Catalogue of High-Speed Solar Wind Streams during Solar Cycle 23

Xystouris, G. and Sigala, E. and Mavromichalaki, H. (2014) A Complete Catalogue of High-Speed Solar Wind Streams during Solar Cycle 23. Solar Physics. 995–1012. ISSN 0038-0938

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High-speed solar wind streams (HSSWSs) are ejected from the Sun and travel into the interplanetary space. Because of their high speed, they carry out energetic particles such as protons and heavy ions, which leads to an increase in the mean interplanetary magnetic field (IMF). Since the Earth is in the path of those streams, Earth’s magnetosphere interacts with the disturbed magnetic field, leading to a significant radiation-induced degradation of technological systems. These interactions provide an enhanced energy transfer from the solar wind/IMF system into the Earth’s magnetosphere and initiate geomagnetic disturbances that may have a possible impact on human health. Solar cycle 23 was a particularly unusual cycle with many energetic phenomena during its descending phase and also had an extended minimum. We have identified and catalogued the HSSWSs of this cycle and determined their characteristics, such as their maximum velocity, beginning and ending time, duration, and possible sources. We identified 710 HSSWSs and compared them with the corresponding characteristics of the streams of previous solar cycles. For first time, we used the CME data to study the stream sources, which led to useful results for the monitoring and forecasting of space weather effects.

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Journal Article
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Solar Physics
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01 Feb 2023 12:50
Last Modified:
16 Sep 2023 02:38