Computer Science
Scientific paper
May 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985rpspr.......24g&link_type=abstract
In its USSR Rept.: Space (JPRS-USP-85-004) p 24-25 (SEE N85-26772 16-12)
Computer Science
Geomagnetic Pulsations, Magnetic Storms, Magnetically Trapped Particles, Particle Flux Density, Solar Cosmic Rays, Correlation Coefficients, Electron Flux Density, Intercosmos Satellites, Proton Flux Density, Solar Terrestrial Interactions
Scientific paper
Observations by Intercosmos-19 during he magnetic storm of 3-5 April 1979 revealed streams of protons of solar cosmic rays (SCR) with energies E(p) or = 0.9 MeV at latitudes lambda or = 58 deg. Considerable magnetic field variations were registered at the boundary of the SCR streams. Pulsations of quasitrapped streams of protons and electrons were discovered in the region of these variations. In all the analyzed spectra there is a spectral maximum at a period 15 to 20 sec; in the D-component there is a spectral maximum at a period 3 sec. The nature of these phenomena were investigated using data from simultaneous measurements of streams of charged particles and the geomagnetic field during transit of the satellite through the auroral zone in the afternoon sector in the recovery phase of the strong magnetic storm of 4 April 1979. An analysis indicated that at a period of 15 to 20 sec there is a predominance of a magnetosonic mode of the wave and at a period of 2.5 to 3 sec -an Alfven wave mode. The period of pulsations of the intensity of electrons with E(e) = 0.6 to 0.9 and 0.9 to 1.2 MeV indicated that the period of pulsations of the intensity of these electrons is also 15 to 20 sec, indicating that the period of the pulsations is not dependent on energy. The different possible hypotheses for explaining these pulsations are reviewed.
Glukhov G. A.
Kratenko Y. P.
Kuznetsov Sergei N.
Mineyev Y. V.
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