Database of Freja charging events (WP 130)

This is a database of pdf file plots of Freja charging events. Please read the guide to the plots for more information.
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If you wish you can also view a list of all available plots

Choose conditions
Peak charging level: =< 10 V 10-100 V >=100 V
Light conditions: Sunlight Eclipse Sunset/Sunrise
Duration of event: shortlived: < 30s longlived: >= 30s

Plot type 1 Plot type 2
  • Spectrogram of HF emissions
  • Langmuir probe current
  • Ion data
  • MATE elcetron data (orbit > 1600)
  • TESP electron data (orbit < 730)
  • Enlarged ion data (O+)
  • Eclipse/Sunlight conditions (geometric)
  • Magnetic field direction wrt S/C spin axis