Physics
Scientific paper
Jul 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976kosis..14..646k&link_type=abstract
Kosmicheskie Issledovaniia, vol. 14, July-Aug. 1976, p. 646, 647. In Russian.
Physics
Earth Magnetosphere, Geomagnetism, Magnetic Variations, Proton Flux Density, Satellite Observation, Interplanetary Medium, Ring Currents, Solar Wind
Scientific paper
An attempt is made to determine the relationship between the magnitude of interplanetary protons with energies ranging from 28 to 120 KeV, measured by the Prognoz 3 satellite, and the Dst variations of the geomagnetic field, determined by Sugiura and Poros (1973). The reason for the study is the observation that, during the main phase of a magnetic storm, the energies of particle fluxes in the circular current increase to 300 keV, and that interplanetary protons with energies of about 30 keV passing through the magnetosphere will increase their energy tenfold, contributing thereby to the circular current. The magnitude of the proton flux may then correlate with the magnetic field depression in the equatorial region. The high value of the correlation coefficient obtained from the analysis indicates that low-energy interplanetary protons penetrating the magnetosphere do contribute to the formation of the ring current.
Kuznetsov Sergei N.
Logachev Iu. I.
Riumin S. P.
Stolboushkin S. K.
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