| Properties of the Main Phases of the Super Geomagnetic Storms(ΔSYM-H ≤-250 nT) with Different Heliolongitudes |
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| 作者姓名： | Ming-Xian Zhao Gui-Ming Le Yong-Hua Liu |
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| 作者单位： | 1. Key Laboratory of Space Weather, National Satellite Meteorological Center (National Center for Space Weather),China Meteorological Administration;2. School of Physics Science & Technology, Lingnan Normal University;3. Innovation Center for Feng Yun Meteorological Satellite (FYSIC);4. CAS Key Laboratory of Solar Activity,National Astronomical Observatories;5. Polar Research Institute of China |
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| 摘 要： | We studied the properties of the main phases of 24 super geomagnetic storms(SGSs)(ΔSYM-H ≤-250 nT)since 1981. We divided the SGSs into two subgroups: SGSs-Ⅰ(-400 nT <Δ SYM-H ≤-250 nT) and SGSs-Ⅱ(ΔSYM-H ≤-400 nT). Of the 24 SGSs, 16 are SGSs-Ⅰ and eight are SGSs-Ⅱ. The source locations of SGSs were distributed in the longitudinal scope of [E37, W66]. 95.8% of the SGSs were distributed in the longitudinal scope of [E37, W20]. East and west hemispheres of the Sun had 14 and 10 SGSs, respectively...
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