ERG Science Center

High-Energy Electron Experiments, HEP

Members

PI: Takefumi Mitani (JAXA)
Co-PI: Takeshi Takashima (JAXA); Satoshi Kasahara (The University of Tokyo)

Instrument Specifications

HEP-L

Energy range: 70keV to 1 MeV
Energy resolution: 10% @100keV
Produced data: 16 (energy) × 15 (elevation) × 16 (azimuthal)
Sensor field of view: 10° (azimuth) × 180 °
Geometric factor: 0.0012 cm² sr
Time resolution: 8 s for one spin

HEP-H

Energy range: 0.7 ~ 2 MeV
Energy resolution: 10% @2MeV
Produced data: 16 (energy) × 15 (elevation) × 16 (azimuthal)
Sensor field of view: 10° (azimuth) × 180 °
Geometric factor: 0.012 cm² sr
Time resolution: 8 s for one spin

References

Mitani, T., T. Takashima, S. Kasahara, W. Miyake, and M. Hirahara, High-energy electron experiments (HEP) aboard the ERG (Arase) satellite, Earth, Planets and Space, doi:10.1186/s40623-018-0853-1, 2018.

Link

About this page

The ERG (Exploration of energization and Radiation in Geospace) project is a mission to elucidate acceleration and loss mechanisms of relativistic electrons around Earth during geospace storms. The project consists of the satellite observation team, the ground-based network observation team, and the integrated data analysis/simulation team.

The ERG Science Center is operated by Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) and Institute for Space-Earth Environmental Research (ISEE), Nagoya University as a Joint Research Center for Space Science. The science center archives data related to the ERG project, releases the data to the public, develops integrated analysis tools for the data, and promotes studies related to the ERG project.