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Published June 1, 1980 | Published
Journal Article Open

Elemental composition of solar energetic nuclei


It is found for four major solar-flare events that the average solar energetic particle (SEP) abundances are similar to abundances in the solar wind and to recent coronal measurements. The average SEP and galactic cosmic-ray source abundances are also similar for elements with nuclear charge in the range 8≤ Z ≤ 28, but are different for helium, carbon, and nitrogen.

Additional Information

© 1980 American Astronomical Society. Received 1980 January 28; accepted 1980 March 3. We appreciate the support of the Voyager CRS team consisting of scientists and engineers at the California Institute of Technology, the Goddard Space Flight Center, the University of Arizona, and the University of New Hampshire. We especially thank Dr. R. A. Mewaldt for his ideas and comments. This work has been supported in part by the National Aeronautics and Space Administration under contract NAS7-100 and grant NGR 05-002-160.

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Published - 1980ApJ___238L__97C.pdf


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