RPC-IES: The Ion and Electron Sensor of the Rosetta Plasma Consortium |
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| Authors: | J L Burch R Goldstein T E Cravens W C Gibson R N Lundin C J Pollock J D Winningham D T Young |
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| Institution: | (1) Southwest Research Institute, P.O. Drawer 28510, San Antonio, TX 78228, USA;(2) Department of Physics and Astronomy, University of Kansas, Lawrence, KS 66045, USA;(3) Swedish Institute of Space Physics, S-98128 Kiruna, Sweden |
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| Abstract: | The ion and electron sensor (IES) is part of the Rosetta Plasma Consortium (RPC). The IES consists of two electrostatic plasma
analyzers, one each for ions and electrons, which share a common entrance aperture. Each analyzer covers an energy/charge
range from 1 eV/e to 22 keV/e with a resolution of 4%. Electrostatic deflection is used at the entrance aperture to achieve
a field of view of 90°× 360° (2.8π sr). Angular resolution is 5°× 22.5° for electrons and 5°× 45° for ions with the sector
containing the solar wind being further segmented to 5°× 5°. The three-dimensional plasma distributions obtained by IES will
be used to investigate the interaction of the solar wind with asteroids Steins and Lutetia and the coma and nucleus of comet
67P/Churyumov–Gerasimenko (CG). In addition, photoelectron spectra obtained at these bodies will help determine their composition. |
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| Keywords: | comet 67P/Churyumov– Gerasimenko solar wind– comet interaction plasma analyzer solar wind asteroid interaction |
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