Precision measurements of solar energetic particle elemental composition

Details Precision measurements of solar energetic particle elemental composition Precision measurements of solar energetic particle elemental composition

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....4..215b&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 4 p 215-216 (SEE N85-34729 23-92)

Computer Science

Chemical Composition, Energetic Particles, Photosphere, Solar Activity, Solar Atmosphere, Solar Cosmic Rays, Solar Flares, Space Probes, Spectroscopic Analysis, High Energy Electrons, Solar Corpuscular Radiation, Spectroscopic Telescopes, Voyager 1 Spacecraft, Voyager 2 Spacecraft

Scientific paper

Data from the Cosmic Ray Subsystem (CRS) aboard the Voyager 1 and 2 spaceraft were used to determined, solar energetic particle abundances or upper limits for all elements with Z 30 from a combined set of 10 solar flares during the 1977 to 1982 time period. Statistically meaningful abundances were determined for several rare elements including P, C1, K, Ti and Mn, while the precision of the mean abundances for the more abundant elements was proved. When compared to solar photospheric spectroscopic abundances, these new SEP abundances more clearly exhibit the step-function dependence on first ionization potential previously reported.

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