Computer Science – Sound
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.1328v&link_type=abstract
Journal of Geophysical Research, vol. 85, Mar. 1, 1980, p. 1328-1334. National Research Council
Computer Science
Sound
2
Cosmic Rays, Neutron Counters, Particle Flux Density, Satellite Sounding, Ground Stations, High Energy Electrons, Jupiter (Planet), Pioneer 10 Space Probe, Solar Activity Effects, Solar Cycles
Scientific paper
A study of cosmic ray intensity variations using data registered by Detector C on Pioneer 10 and the Sulphur Mountain neutron monitor is presented. The spacecraft data were corrected for temperature, Radioisotope Thermoelectric Generator background, and contamination by energetic solar particle events. A consistent long-term solar cycle variation intensity is observed, but additional contribution is observed in the neighborhood of 5.1 AU which is attributed to energetic electrons of Jovian origin. The spectral variation in long-term changes of the cosmic ray intensity is studied by comparing the low-energy and high-energy data, and an average value of their ratio during 1972-1977 was found to agree with the value for the 1965-1972 interval.
Agrawal S. P.
Van Allen James A.
Venkatesan D.
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