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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 12
Ann. Geophys., 17, 1622-1625, 1999
https://doi.org/10.1007/s00585-999-1622-z
© European Geosciences Union 1999

Special issue: Equator S

Ann. Geophys., 17, 1622-1625, 1999
https://doi.org/10.1007/s00585-999-1622-z
© European Geosciences Union 1999

  31 Dec 1999

31 Dec 1999

Magnetic storm acceleration of radiation belt electrons observed by the Scintillating Fibre Detector (SFD) onboard EQUATOR-S

M. Cyamukungu1, C. Lippens2, L. Adams3, R. Nickson3, C. Boeder4, V. Pierrard2, E. Daly3, Gh. Grégoire1, and J. Lemaire2 M. Cyamukungu et al.
  • 1UCL - Institut de Physique Nucléaire, Chemin du Cyclotron 2, B-1348 Louvain-la-Neuve, Belgium
  • 2BIRA/IASB - Avenue Circulaire 3, B-1180 Uccle, Belgium
  • 3ESA/ESTEC - P.O. Box 299, Keplerlaan 1, 2200 AG Noordwijk, The Netherlands
  • 4SENSYS - P.O. Box 411, 2201 AG Noordwijk, The Netherlands

Abstract. On the basis of the currents induced by electron fluxes in the Scintillating Fibre Detector (SFD) onboard the EQUATOR-S satellite launched on 2 December 1997, an in-situ acceleration of radiation belt electrons is found to possibly contribute to the increase of the flux of electrons with energies greater than 400 keV. The data acquired between 16 December 1997 and 30 April 1998 on the 500–67300 km, 4° inclination EQUATOR-S orbit show that the increase of the energetic electron flux corresponds to the enhanced geomagnetic activity measured through the Dst index.

Key words. Magnetospheric physics (energetic particles · trapped; storms and substorms; instruments and techniques)

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