Observation of Precipitating Electrons on Board the S-310JA-2 (a. Precipitating Particles and Auroras) (Proceedings of the First Symposium on Coordinated Observations of the Ionosphere and the Magnetosphere in the Polar Regions (Part I))
Institute of Space and Aeronautical Science, University of Tokyo
Institute of Space and Aeronautical Science, University of Tokyo
Institute of Space and Aeronautical Science, University of Tokyo
Geophysics Research Laboratory, University of Tokyo
A cylindrical electrostatic analyzer on board the Japanese Antarctic sounding rocket S-310JA-2 launched on February 10, 1977 at Syowa Station obtained the energy spectra of energetic electrons m the Antarctic polar ionosphere. The geomagnetic activity was high and there was a diffuse aurora at the time of launch. The measured electron flux was about l.8×10^3 electrons/cm^2・sec・str・eV at the energy of 4.2 keV and about 2.3×10^4 electrons/cm^2・sec・str・eV at 740 eV. The electrons whose energy was in the neighborhood of 500 eV had a considerable pitch angle dependence, and the field aligned current density due to these electrons resulted in about 1.47×10^<-6> A/m^2.
S-310 JA-2号機による降下電子の観測(a.入射粒子とオーロラ)(第1回極域における電離圏磁気圏総合観測シンポジウム(Part I))
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KJ00002477068
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概要
