Composition and energetics of solar flare particle events measured by satellites, 1989--1991

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The Synchronous Orbit Particle Analyzer (SOPA), on board the satellite 1989-046 and others, has detected ions from carbon through nickel at energies from 2 to 50 MeV in the great solar energetic particle events of the current solar cycle. Energetic protons from the same events have been detected by the Charged Particle Analyzer (CPA) on board the satellite 1984-129 and others. We present here a collection of data from these various instruments that includes events of 1989, 1990, and 1991. We demonstrate the association of the events detected by the satellites with solar flares, and examine local solar wind features … continued below

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5 pages

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Gisler, G.R.; Belian, R.D.; Cayton, T.E. & Reeves, G.D. January 1, 1991.

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The Synchronous Orbit Particle Analyzer (SOPA), on board the satellite 1989-046 and others, has detected ions from carbon through nickel at energies from 2 to 50 MeV in the great solar energetic particle events of the current solar cycle. Energetic protons from the same events have been detected by the Charged Particle Analyzer (CPA) on board the satellite 1984-129 and others. We present here a collection of data from these various instruments that includes events of 1989, 1990, and 1991. We demonstrate the association of the events detected by the satellites with solar flares, and examine local solar wind features that in some instances alter the flux. We determine the ionic composition of the events, and compare these compositions among the various events and with those events, and compare these compositions among the various events and with those found in events of previous solar cycles. We obtain time-histories of the energetic particle fluxes, resolved both by ion species and by energy range. These detailed histories are of use, in conjunction with other data, in determining the parameters of the acceleration region.

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5 pages

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OSTI; NTIS; INIS; GPO Dep.

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  • International cosmic ray conference, Dublin (Ireland), 11-23 Aug 1991

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  • Other: DE91018028
  • Report No.: LA-UR-91-2637
  • Report No.: CONF-9108141--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5378229
  • Archival Resource Key: ark:/67531/metadc1072759

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  • January 1, 1991

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  • Feb. 4, 2018, 10:51 a.m.

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  • May 28, 2019, 2:40 p.m.

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Gisler, G.R.; Belian, R.D.; Cayton, T.E. & Reeves, G.D. Composition and energetics of solar flare particle events measured by satellites, 1989--1991, article, January 1, 1991; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1072759/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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