In-situ observation of aurora fine structure and simulation of satellite-plasma interaction

Details In-situ observation of aurora fine structure and simulation of satellite-plasma interaction In-situ observation of aurora fine structure and simulation of satellite-plasma interaction

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm51b0527o&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SM51B-0527

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Applications

0689 Wave Propagation (4275), 2159 Plasma Waves And Turbulence, 2407 Auroral Ionosphere (2704), 7853 Spacecraft/Atmosphere Interactions, 7855 Spacecraft Sheaths, Wakes, Charging

Scientific paper

INDEX satellite is scheduled to be launched in 2004 by ISAS/JAPAN in order to investigate the aurora fine structure. This satellite is designed to fly polar orbit with hight of 680km. Main instruments are the electron/ion analyzer, the aurora camera and the impedance probe. All insturments are designed to measure small scale plasma parameters down to 100m scale. In order to distinguish background plasma phenomena from the disturbances due to the satellite itself, we have developed a new simulation code which simulates electromagnetic environment in the vicinity of a spacecraft. This code solves plasma particle behavior as well as background electric and magnetic field. The simulation code adopts unstructured-grid as the spatial coordinate system. This enables us to model 3-dimensional shape of the spacecraft. We will be able to show the results from the spacecraft charging simulations and possible applications to the observation of plasma fine structure in the earth's auroral region.

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