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Solar Coronal Abundances of Rare Elements Based on Solar Energetic Particles

Cohen, C. M. S. and Mewaldt, R. A. and Christian, E. R. and Cummings, A. C. and Leske, R. A. and Slocum, P. L. and Stone, E. C. and von Rosenvinge, T. T. and Wiedenbeck, M. E. (2001) Solar Coronal Abundances of Rare Elements Based on Solar Energetic Particles. In: Solar and Galactic Composition. AIP Conference Proceedings. No.598. American Institute of Physics , Melville, N.Y., pp. 107-112. ISBN 0-7354-0042-3.

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Although solar energetic particle (SEP) abundances vary from event to event, it has been shown that by accounting for these variations it is possible to use SEP data to obtain reliable estimates of elemental abundances for the solar corona. We analyze ~20 to 65 MeV/nucleon measurements from the Solar Isotope Spectrometer on ACE in large SEP events observed from November 1997 to January 2001 to obtain new values of the average SEP composition of rare species, P, Cl, K, Ti, Mn, Cr, Co, Cu, and Zn, which have had limited statistical accuracy in SEPs in the past. The measured SEP abundances are compared with other sources of solar-system composition data.

Item Type:Book Section
Related URLs:
URLURL TypeDescription DOIArticle
Cohen, C. M. S.0000-0002-0978-8127
Mewaldt, R. A.0000-0003-2178-9111
Christian, E. R.0000-0003-2134-3937
Cummings, A. C.0000-0002-3840-7696
Leske, R. A.0000-0002-0156-2414
Stone, E. C.0000-0002-2010-5462
Wiedenbeck, M. E.0000-0002-2825-3128
Additional Information:© 2001 American Institute of Physics. Issue Date: 21 November 2001. This work was supported by NASA at Caltech (under grant NAG5-6912), Jet Propulsion Laboratory, and Goddard Space Flight Center.
Group:Space Radiation Laboratory
Funding AgencyGrant Number
Goddard Space Flight CenterUNSPECIFIED
Subject Keywords:solar corona, solar cosmic ray particles, element relative abundance, time series, astronomical instruments, space vehicles, solar activity
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2003-24
Series Name:AIP Conference Proceedings
Issue or Number:598
Classification Code:PACS: 96.60.Fs; 96.60.Vg; 95.55.Ev
Record Number:CaltechAUTHORS:20111117-080853257
Persistent URL:
Official Citation:Solar coronal abundances of rare elements based on solar energetic particles C. M. S. Cohen, R. A. Mewaldt, E. R. Christian, A. C. Cummings, R. A. Leske, P. L. Slocum, E. C. Stone, T. T. von Rosenvinge, and M. E. Wiedenbeck, AIP Conf. Proc. 598, 107 (2001), DOI:10.1063/1.1433987
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27822
Deposited By: Ruth Sustaita
Deposited On:17 Nov 2011 16:39
Last Modified:09 Nov 2021 16:52

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