Current models of the intensely ionizing particle environment in space

Details Current models of the intensely ionizing particle environment in space Current models of the intensely ionizing particle environment in space

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ippe.conf...49a&link_type=abstract

In Jet Propulsion Lab., California Inst. of Tech., Interplanetary Particle Environment. Proceedings of a Conference p 49-56 (SEE

Other

Energetic Particles, Galactic Cosmic Rays, Heliosphere, Ionization, Mathematical Models, Radiation Effects, Solar Radiation, Spacecraft Environments, Sun, Accuracy, Earth Orbits, Solar Flares, Variations

Scientific paper

The Cosmic Ray Effects on MicroElectronics (CREME) model that is currently in use to estimate single event effect rates in spacecraft is described. The CREME model provides a description of the radiation environment in interplanetary space near the orbit of the earth that contains no major deficiencies. The accuracy of the galactic cosmic ray model is limited by the uncertainties in solar modulation. The model for solar energetic particles could be improved by making use of all the data that has been collected on solar energetic particle events. There remain major uncertainties about the environment within the earth's magnetosphere, because of the uncertainties over the charge states of the heavy ions in the anomalous component and solar flares, and because of trapped heavy ions. The present CREME model is valid only at 1 AU, but it could be extended to other parts of the heliosphere. There is considerable data on the radiation environment from 0.2 to 35 AU in the ecliptic plane. This data could be used to extend the CREME model.

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