Medium-energy particle experiments—electron analyzer (MEP-e) for the exploration of energization and radiation in geospace (ERG) mission

The medium-energy particle experiments—electron analyzer onboard the exploration of energization and radiation in geospace spacecraft measures the energy and direction of each incoming electron in the energy range of 7–87 keV. The sensor covers a 2 π -radian disklike field of view with 16 detectors,...

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Published in:Earth, planets, and space planets, and space, 2018-05, Vol.70 (1), p.1-16, Article 69
Main Authors: Kasahara, Satoshi, Yokota, Shoichiro, Mitani, Takefumi, Asamura, Kazushi, Hirahara, Masafumi, Shibano, Yasuko, Takashima, Takeshi
Format: Article
Language:English
Subjects:
3. Space science
Activation
Earth and Environmental Science
Earth Sciences
Electron avalanche
Electron energy
Electron spin
Energy measurement
ERG spacecraft
Exploration
Field of view
Geology
Geophysics/Geodesy
Geospace Exploration by the ERG mission
Medium-energy particles
Photodiodes
Radiation
Radiation belts
Spacecraft
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cited_by cdi_FETCH-LOGICAL-c590t-98cfd2e527e044b040d421a371c7705e1d34dd9403e878501f07da2c5016533a3
cites cdi_FETCH-LOGICAL-c590t-98cfd2e527e044b040d421a371c7705e1d34dd9403e878501f07da2c5016533a3
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container_title Earth, planets, and space
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creator Kasahara, Satoshi
Yokota, Shoichiro
Mitani, Takefumi
Asamura, Kazushi
Hirahara, Masafumi
Shibano, Yasuko
Takashima, Takeshi
description The medium-energy particle experiments—electron analyzer onboard the exploration of energization and radiation in geospace spacecraft measures the energy and direction of each incoming electron in the energy range of 7–87 keV. The sensor covers a 2 π -radian disklike field of view with 16 detectors, and the full solid angle coverage is achieved through the spacecraft’s spin motion. The electron energy is independently measured by both an electrostatic analyzer and avalanche photodiodes, enabling significant background reduction. We describe the technical approach, data output, and examples of initial observations.
doi_str_mv 10.1186/s40623-018-0847-z
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source Springer Nature - SpringerLink Journals - Fully Open Access; Publicly Available Content (ProQuest)
subjects 3. Space science
Activation
Earth and Environmental Science
Earth Sciences
Electron avalanche
Electron energy
Electron spin
Energy measurement
ERG spacecraft
Exploration
Field of view
Geology
Geophysics/Geodesy
Geospace Exploration by the ERG mission
Medium-energy particles
Photodiodes
Radiation
Radiation belts
Spacecraft
title Medium-energy particle experiments—electron analyzer (MEP-e) for the exploration of energization and radiation in geospace (ERG) mission
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