Low-energy particle experiments–ion mass analyzer (LEPi) onboard the ERG (Arase) satellite

Low-energy ion experiments–ion mass analyzer (LEPi) is one of the particle instruments onboard the ERG satellite. LEPi is an ion energy-mass spectrometer which covers the range of particle energies from < 0.01 to 25 keV/q. Species of incoming ions are discriminated by a combination of electrostat...

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Published inEarth, planets, and space Vol. 70; no. 1; pp. 1 - 15
Main Authors Asamura, K., Kazama, Y., Yokota, S., Kasahara, S., Miyoshi, Y.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 02.05.2018
Springer Nature B.V
SpringerOpen
Subjects
3. Space science
Checkout
Earth and Environmental Science
Earth Sciences
Energy
ERG satellite
Geology
Geophysics/Geodesy
Geospace Exploration by the ERG mission
Ion analyzer
Ions
Mass spectrometry
Satellite observation
Satellite-borne instruments
Satellites
Ion analyzer
ERG satellite
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ISSN1880-5981
1343-8832
1880-5981
DOI10.1186/s40623-018-0846-0

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Summary:Low-energy ion experiments–ion mass analyzer (LEPi) is one of the particle instruments onboard the ERG satellite. LEPi is an ion energy-mass spectrometer which covers the range of particle energies from < 0.01 to 25 keV/q. Species of incoming ions are discriminated by a combination of electrostatic energy-per-charge analysis and the time-of-flight technique. The sensor has a planar field-of-view, which provides 4 π  steradian coverage by using the spin motion of the satellite. LEPi started its nominal observation after the initial checkout and commissioning phase in space.
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ISSN:1880-5981
1343-8832
1880-5981
DOI:10.1186/s40623-018-0846-0