Microscopic Electron Variations Measured Simultaneously by the Cluster Spacecraft

Buckley, A M, Carozzi, T D, Gough, M P and Beloff, N (2002) Microscopic Electron Variations Measured Simultaneously by the Cluster Spacecraft. ISSN 1029-7006

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Data is used from the Particle Correlator experiments running on each of the four Cluster spacecraft so as to determine common microscopic behaviour in the elec- tron population observed over the macroscopic Cluster separations. The Cluster par- ticle correlator experiments operate by forming on board Auto Correlation Functions (ACFs) generated from short time series of electron counts obtained, as a function of electron energy, from the PEACE HEEA sensor. The information on the microscopic variation of the electron flux covers the frequency range DC up to 41 kHz (encom- passing typical electron plasma frequencies and electron gyro frequencies and their harmonics), the electron energy range is that covered by the PEACE HEEA sensor (within the range 1 eV to 26 keV). Results are presented of coherent electron struc- tures observed simultaneously by the four spacecraft in the differing plasma interac- tion regions and boundaries encountered by Cluster. As an aid to understanding the plasma interactions, use is made of numerical simulations which model both the un- derlying statistical properties of the electrons and also the manner in which particle correlator experiments operate.

Item Type: Article
Additional Information: http://www.geophysical-research-abstracts.net/volumes.html
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: Andrew Buckley
Date Deposited: 06 Feb 2012 19:43
Last Modified: 29 May 2013 09:30
URI: http://sro.sussex.ac.uk/id/eprint/21948
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