Published 1991 | Version Published
Book Section - Chapter Open

The Mean Charge State of Solar Energetic Oxygen Ions

Abstract

We report an attempt to measure the ionic charge state of solar energetic oxygen ions at energies of 8-20 MeV /nuc. This study is part of a cooperative project of the space agencies of the USA and the USSR, in which we compare data from cosmic ray experiments on IMP-8 and ISEE-3 outside the magnetosphere with data from a series of experiments on Cosmos satellites in low earth orbit. From these comparisons, we determine the orbit-averaged geomagnetic transmission of these particles, which can be related to the average ionic charge state. We present preliminary results on the three solar energetic particle events analyzed to date.

Additional Information

Copyright Dublin Institute for Advanced Studies. Provided by the NASA Astrophysics Data System. We thank NASA and IKI for sponsoring this study. We thank D. I. Kozlov for the Cosmos flights. This work is supported in part by NASA contracts NAG8-678, NAG5-706, W-17,358; NASA grants NAG5-728, NGR 05-002-160, NAG@-1990; and NSF grant ATM-90-23414.

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Additional details

Identifiers

Eprint ID
50003
Resolver ID
CaltechAUTHORS:20140924-135847481

Funding

NASA
NAG8-678
NASA
NAG5-706
NASA
W-17358
NASA
NAG5-728
NASA
NGR 05-002-160
NASA
NAGW-1990
NSF
ATM-90-23414

Dates

Created
2014-09-29
Created from EPrint's datestamp field
Updated
2019-11-22
Created from EPrint's last_modified field

Caltech Custom Metadata

Caltech groups
Space Radiation Laboratory
Other Numbering System Name
Space Radiation Laboratory
Other Numbering System Identifier
1991-14