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Studies with Cluster upstream and downstream of the bow shock: An experimenter's perspectiveSome open questions in the physics of bow shock formation, the evolution of the particle distributions from solar wind into the magnetosheath, and the acceleration of ions at the moment of the shock are summarized. A layout of the current situation is presented in view of recent theoretical developments and the new diagnostic tools provided by the Cluster mission. The transition of ions across the quasi-perpendicular bow shock and their downstream thermalization are discussed. The processes and spatial scales are found to be species dependent and are discussed for H(+), He(2+), and He(+). The theory of particle acceleration at quasi-parallel shocks are reviewed. It is shown how Cluster can study the time variable structures of the shock as predicted by hybrid simulation. It is emphasized that high time resolution measurement with simultaneous species separation is necessary for the study of the ion acceleration. Suggestions for the spacecraft separations at the bow shock are suggested.
Document ID
19960009015
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Moebius, E.
(New Hampshire Univ. Durham, NH, United States)
Date Acquired
August 17, 2013
Publication Date
June 1, 1995
Publication Information
Publication: ESA, Proceedings of the Cluster Workshops on Data Analysis Tools, and Physical Measurements and Mission-Oriented Theory
Subject Category
Solar Physics
Accession Number
96N16181
Funding Number(s)
CONTRACT_GRANT: NAS5-30613
CONTRACT_GRANT: NAG5-1548
Distribution Limits
Public
Copyright
Other

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