Observations of PC5 pulsations near field-aligned current regions |
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| Authors: | Alexander Z Bochev Karel Kudela Iren A Dimitrova Petko Nenovski Ashwini K Sinha Marián Slivka |
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| Institution: | 1.Solar-Terrestrial Influences Laboratory,Bulgarian Academy of Sciences,Sofia,Bulgaria;2.Institute of Experimental Physics,Slovak Academy of Sciences,Ko?ice,Slovakia;3.InRay Solutions Ltd,Sofia,Bulgaria;4.Geophysical Institute,Bulgarian Academy of Sciences,Sofia,Bulgaria;5.Indian Institute of Geomagnetism,New Panvel (W),India |
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| Abstract: | Examples of long period Pc5 magnetic field pulsations near field-aligned current (FAC) regions in the high-latitude magnetosphere,
observed by INTERBALL-Auroral satellite during January 11, April 11 and June 28, 1997 are shown. Identification of corresponding
magnetosphere regions and subregions is provided by electrons and protons in the energy-range of 0.01–100 keV measured simultaneously
onboard the spacecraft. The examined Pc5 pulsations reveal a compressional character. A fairly good correlation is demonstrated
between these ULF Pc5 waves and the consecutive injection of magnetosheath low energy protons. The ULF Pc5 wave occurrence
is observed in both upward and downward FACs. |
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