Abstract
view Abstract Citations (47) References (43) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Origins of the low-energy relativistic interplanetary electrons Eraker, J. H. Abstract Pioneer 10 observations of electrons in the energy range from 1.75 to 25 MeV over the heliocentric radial distance 1.0-21.5 AU are presented. The minimum intensity levels of 1-25 MeV electrons about 4.5 AU upwind of Jupiter and about 16.5 AU downwind of Jupiter's orbit are of Jovian origin. The expected galactic electron flux at 1 AU is found to be a factor of 50 or more below the observed quiet-time 12 MeV electron flux, and the evidence confirms the hypothesis advanced by Teegarden et al. (1974) that Jupiter is the source of the approximately 1-25 MeV quiet-time electrons near 1 AU. No evidence was found to support the hypotheses that electrons of either solar or galactic origin contribute significantly to the quiet-time flux inside of 22 AU at low heliographic latitudes. Publication: The Astrophysical Journal Pub Date: June 1982 DOI: 10.1086/160036 Bibcode: 1982ApJ...257..862E Keywords: Electrons; Interplanetary Medium; Jupiter (Planet); Planetary Radiation; Relativistic Particles; Astronomical Models; Background Radiation; Electron Energy; Electron Flux Density; Particle Telescopes; Pioneer 10 Space Probe; Astrophysics full text sources ADS |
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