Substorm onset observations by IMAGE‐FUV

  • H. U. Frey
    Space Sciences Laboratory University of California Berkeley California USA
  • S. B. Mende
    Space Sciences Laboratory University of California Berkeley California USA
  • V. Angelopoulos
    Space Sciences Laboratory University of California Berkeley California USA
  • E. F. Donovan
    Department of Physics and Astronomy University of Calgary Calgary, Alberta Canada

書誌事項

公開日
2004-10
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/2004ja010607
公開者
American Geophysical Union (AGU)

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説明

<jats:p>Over the first 2.5 years of operation, the FUV instrument on the IMAGE spacecraft observed more than 2400 substorm onsets in the Northern Hemisphere. The observations confirm earlier results of statistical studies in terms of a median substorm onset location at 2300 hours MLT and 66.4 degrees magnetic latitude. The purpose of this report is to publish the list to allow for further investigation. The list can easily be searched for onsets close to certain ground stations or at specific magnetic latitudes or local times. As one example of such use, we demonstrate how the probability of onset observation was determined for the ground‐based automatic observatories of the THEMIS (Time History of Events and Macroscale Interactions during Substorms) project.</jats:p>

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