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http://dx.doi.org/10.5140/JASS.2018.35.1.31

Limitations of Electromagnetic Ion Cyclotron Wave Observations in Low Earth Orbit  

Hwang, Junga (Korea Astronomy and Space Science Institute)
Kim, Hyangpyo (Korea Astronomy and Space Science Institute)
Park, Jaeheung (Korea Astronomy and Space Science Institute)
Lee, Jaejin (Korea Astronomy and Space Science Institute)
Publication Information
Journal of Astronomy and Space Sciences / v.35, no.1, 2018 , pp. 31-37 More about this Journal
Abstract
Pc1 pulsations are geomagnetic fluctuations in the frequency range of 0.2 to 5 Hz. There have been several observations of Pc1 pulsations in low earth orbit by MAGSAT, DE-2, Viking, Freja, CHAMP, and SWARM satellites. However, there has been a clear limitation in resolving the spatial and temporal variations of the pulsation by using a single-point observation by a single satellite. To overcome such limitations of previous observations, a new space mission was recently initiated, using the concept of multi-satellites, named the Small scale magNetospheric and Ionospheric Plasma Experiments (SNIPE). The SNIPE mission consists of four nanosatellites (~10 kg), which will be launched into a polar orbit at an altitude of 600 km (TBD) in 2020. Four satellites will be deployed in orbit, and the distances between each satellite will be controlled from 10 to 1,000 km by a high-end formation-flying algorithm. One of the possible science targets of the SNIPE mission is observing electromagnetic ion cyclotron (EMIC) waves. In this paper, we report on examples of observations, showing the limitations of previous EMIC observations in low earth orbit, and suggest possibilities to overcome those limitations through a new mission.
Keywords
EMIC; LEO; SNIPE;
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Times Cited By KSCI : 4  (Citation Analysis)
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