Instrument Information
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| IDENTIFIER |
urn:nasa:pds:context:instrument:swia.maven::1.1
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| NAME |
SOLAR WIND ION ANALYZER
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| TYPE |
ENERGETIC PARTICLE DETECTOR
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| DESCRIPTION |
The Solar Wind Ion Analyzer (SWIA) is an electrostatic analyzer designed to measure solar wind and magnetospheric ions in the Martian system over an energy/charge range of ~5-25000 eV/q. The SWIA electronics are most directly based on those of THEMIS ESA, and the analyzer includes new deflection optics in order to provide a large field of view on the 3-axis stabilized MAVEN spacecraft. The SWIA sensor is mounted on the corner of the top deck of the spacecraft, positioned to ensure a clear field of view over both sides of the solar panel. For the nominal sun-pointed spacecraft orientation, the sensor is aligned such that the sun is centered in the sensor field of view, with an unobstructed field of view around the nominal solar wind flow direction.
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