First results from CSSWE CubeSat: Characteristics of relativistic electrons in the near‐Earth environment during the October 2012 magnetic storms

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  • X. Li
    Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder Colorado USA
  • Q. Schiller
    Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder Colorado USA
  • L. Blum
    Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder Colorado USA
  • S. Califf
    Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder Colorado USA
  • H. Zhao
    Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder Colorado USA
  • W. Tu
    Space Science and Applications ISR‐1 Los Alamos National Laboratory Los Alamos New Mexico USA
  • D. L. Turner
    Department of Earth, Planetary, and Space Sciences University of California Los Angeles California USA
  • D. Gerhardt
    Department of Aerospace Engineering Sciences University of Colorado at Boulder Boulder Colorado USA
  • S. Palo
    Department of Aerospace Engineering Sciences University of Colorado at Boulder Boulder Colorado USA
  • S. Kanekal
    NASA/GSFC Greenbelt Maryland USA
  • D. N. Baker
    Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder Colorado USA
  • J. Fennell
    Space Sciences Department of The Aerospace Corporation Los Angeles California USA
  • J. B. Blake
    Space Sciences Department of The Aerospace Corporation Los Angeles California USA
  • M. Looper
    Space Sciences Department of The Aerospace Corporation Los Angeles California USA
  • G. D. Reeves
    Space Science and Applications ISR‐1 Los Alamos National Laboratory Los Alamos New Mexico USA
  • H. Spence
    Institute for the Study of Earth, Oceans and Space University of New Hampshire Durham New Hampshire USA

書誌事項

公開日
2013-10
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/2013ja019342
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>Measurements from the Relativistic Electron and Proton Telescope integrated little experiment (REPTile) on board the Colorado Student Space Weather Experiment (CSSWE) CubeSat mission, which was launched into a highly inclined (65°) low Earth orbit, are analyzed along with measurements from the Relativistic Electron and Proton Telescope (REPT) and the Magnetic Electron Ion Spectrometer (MagEIS) instruments aboard the Van Allen Probes, which are in a low inclination (10°) geo‐transfer‐like orbit. Both REPT and MagEIS measure the full distribution of energetic electrons as they traverse the heart of the outer radiation belt. However, due to the small equatorial loss cone (only a few degrees), it is difficult for REPT and MagEIS to directly determine which electrons will precipitate into the atmosphere, a major radiation belt loss process. REPTile, a miniaturized version of REPT, measures the fraction of the total electron population that has small enough equatorial pitch angles to reach the altitude of CSSWE, 480 km × 780 km, thus measuring the precipitating population as well as the trapped and quasi‐trapped populations. These newly available measurements provide an unprecedented opportunity to investigate the source, loss, and energization processes that are responsible for the dynamic behavior of outer radiation belt electrons. The focus of this paper will be on the characteristics of relativistic electrons measured by REPTile during the October 2012 storms; also included are long‐term measurements from the Solar Anomalous and Magnetospheric Particle Explorer to put this study into context.</jats:p>

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