Other
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.4455c&link_type=abstract
(Upstream Wave and Particle Workshop, California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA, Apr. 15, 16,
Other
32
Bow Waves, Energetic Particles, Interplanetary Magnetic Fields, Magnetopause, Magnetosheath, Plasma Sheaths, Shock Waves, International Sun Earth Explorers, Solar Wind, Spectrograms
Scientific paper
Times when energetic ions are absent and present in ISEE 1 magnetosheath plasma spectrograms are correlated with ISEE 3 IMF orientation measurements. The study indicates that when the plasma at the spacecraft is traced along a streamline to the bow shock surface, the angle between the surface normal at that point and the IMF is greater than 60 deg when the energetic ions are absent and less than 60 deg when they are present. The pattern is consistent with the ions coming from the same regions of the bow shock where intermediate and diffuse ions are found on the upstream side. The 60 deg criterion is used to draw schematic patterns of the location of energetic ions in the magnetosheath as a function of IMF orientation. Some orientations result in layers adjacent to the magnetopause and other orientations give layers adjacent to the bow shock.
Crooker Nancy U.
Eastman Timothy E.
Frank Louis A.
Russell Christopher T.
Smith Edward. J.
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