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Record Details

Record 31 of 13919
Plasma observations at the earth's magnetic equator
Author and Affiliation:
Olsen, R. C.(Alabama, University, Huntsville, United States)
Shawhan, S. D.(NASA Washington, DC, United States)
Gallagher, D. L.(Alabama Univ., Huntsville, AL, United States)
Chappell, C. R.(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Green, J. L.(NASA Goddard Space Flight Center, Greenbelt, MD, United States)
et al.
Abstract: New observations of particle and wave data from the magnetic equator from the DE 1 spacecraft are reported. The results demonstrate that the equatorial plasma population is predominantly hydrogen and that the enhanced ion fluxes observed at the equator occur without an increase in the total plasma density. Helium is occasionally found heated along with the protons, and forms about 10 percent of the equatorially trapped population at such times. The heated H(+) ions can be characterized by a bi-Maxwellian with kT(parallel) = 0.5-1.0 eV and kT = 5-50 eV, with a density of 10-100/cu cm. The total plasma density is relatively constant with latitude. First measurements of the equatorially trapped plasma and coincident UHR measurements show that the trapped plasma is found in conjunction with equatorial noise.
Publication Date: Mar 01, 1987
Document ID:
19870049542
(Acquired Nov 28, 1995)
Accession Number: 87A36816
Subject Category: GEOPHYSICS
Document Type: Journal Article
Publication Information: Journal of Geophysical Research (ISSN 0148-0227); 92; 2385-240
Publisher Information: United States
Contract/Grant/Task Num: NAS8-33982; NAS5-28701; NSF ATM-83-00426
Financial Sponsor: NASA; United States
Organization Source: Alabama Univ.; Huntsville, AL, United States
NASA; Washington, DC, United States
NASA Marshall Space Flight Center; Huntsville, AL, United States
NASA Goddard Space Flight Center; Greenbelt, MD, United States
Description: 23p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: MAGNETIC EQUATOR; MAGNETICALLY TRAPPED PARTICLES; PLASMA DENSITY; PLASMA WAVES; THERMAL PLASMAS; CYCLOTRON RADIATION; EARTH MAGNETOSPHERE; HELIUM IONS; MAGNETIC FIELDS
Imprint And Other Notes: Journal of Geophysical Research (ISSN 0148-0227), vol. 92, March 1, 1987, p. 2385-2407.
Availability Source: Other Sources
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