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  • 标题:Satellite-based In-situ Monitoring of Space Weather KSEM Mission and Data Application
  • 本地全文:下载
  • 作者:Daehyeon Oh ; Jiyoung Kim ; Hyesook Lee
  • 期刊名称:Journal of Astronomy and Space Sciences
  • 印刷版ISSN:2093-5587
  • 电子版ISSN:2093-1409
  • 出版年度:2018
  • 卷号:35
  • 期号:3
  • 页码:175-183
  • DOI:10.5140/JASS.2018.35.3.175
  • 语种:English
  • 出版社:Korean Space Science Society
  • 摘要:Many recent satellites have mission periods longer than 10 years; thus, satellite-based local space weather monitoring is becoming more important than ever. This article describes the instruments and data applications of the Korea Space wEather Monitor (KSEM), which is a space weather payload of the GeoKompsat-2A (GK-2A) geostationary satellite. The KSEM payload consists of energetic particle detectors, magnetometers, and a satellite charging monitor. KSEM will provide accurate measurements of the energetic particle flux and three-axis magnetic field, which are the most essential elements of space weather events, and use sensors and external data such as GOES and DSCOVR to provide five essential space weather products. The longitude of GK-2A is 128.2° E, while those of the GOES satellite series are 75° W and 135° W. Multi-satellite measurements of a wide distribution of geostationary equatorial orbits by KSEM/GK-2A and other satellites will enable the development, improvement, and verification of new space weather forecasting models. KSEM employs a service-oriented magnetometer designed by ESA to reduce magnetic noise from the satellite in real time with a very short boom (1 m), which demonstrates that a satellite-based magnetometer can be made simpler and more convenient without losing any performance.
  • 关键词:space weather;geostationary orbit;artificial satellite;payload
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