Computer Science – Performance
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsm33b0446m&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #SM33B-0446
Computer Science
Performance
7894 Instruments And Techniques, 7914 Engineering For Hazard Mitigation, 7954 Magnetic Storms (2788), 7984 Space Radiation Environment
Scientific paper
Understanding the dynamics and mass transport of particles in the magnetosphere and its coupling to the ionosphere and solar wind requires low energy plasma measurements of electrons and multiple ion species. Direct ion composition measurements at geosynchronous orbit are not currently available to the geophysical community. The Advanced Miniaturized Plasma Spectrometer (AMPS), which is scheduled to launch into geosynchronous orbit in early 2006, was designed to measure energy-resolved flux distributions of electrons, H+, O+, and He+2 using minimal resources. The spectrometer utilizes three nested hemispheres to provide simultaneous E/q measurements of incoming ions and electrons from 2 eV/q - 40 keV/q. Ion composition is derived using E/q x E measurements that leverage different energy loss processes in the detector by H+ and O+ to uniquely identify these species. We present laboratory measurements of the spectrometer performance and discuss the potential scientific impact for understanding plasma dynamics and transport at geosynchronous orbit.
Deming Jody
Dors Eric E.
Funsten Herb
Harper Robert
MacDonald Elizabeth
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