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词条

ELFIN

释义

Staff
Launch
ELFIN-L
ELFIN-STAR
References
External links

Electron Losses and Fields Investigation (ELFIN) is a nanosatellite developed by University of California, Los Angeles (UCLA). ELFIN is a 3U+ CubeSat designed to study space weather, specifically, the loss of relativistic electrons in the radiation belts. ELFIN was a participant in the Air Force Research Lab's University Nanosatellite Program and is currently funded byNASA's Low Cost Access to Space program and the National Science Foundation.^[1]

ELFIN carries a fluxgate magnetometer as well as two energetic particle detectors: one for ions and one for electrons and aims to understand the loss mechanisms of relativistic "killer" electrons by providing pitch angle resolved energetic particle measurements. The principal investigator of the project is Vassilis Angelopoulos.

Launch

ELFIN and ELFIN* are part of NASA's ELaNa-18.^[2] ELFIN launched with ICESat-2 in September of 2018 from Vandenberg Air Force Base. They are tracked with norad cat-id of 43617 (ELFIN A) and 43616 (ELFIN B).

ELFIN-L

ELFIN-L is a collaboration mission between UCLA and Moscow State University. The Institute of Geophysics and Planetary Physics (IGPP) at UCLA delivered the ELFIN instruments for the Lomonosov Russian University Satellite. The satellite launched on 28 April 2016.

ELFIN-STAR

Electron Losses and Fields Investigation with Spatio Temporal Ambiguity Resolution (ELFIN-STAR or ELFIN*) option was awarded and executed in November 2017, which adds an identical CubeSat to the launch.^[3] This allows two measurements to be made over the same location in orbit which can determine if electron loss mechanisms are varying spatially or temporally.^[1]

References

1. ^¹http://elfin.igpp.ucla.edu/
2. ^http://www.nasa.gov/directorates/heo/home/CSLI_selections.html#2014
3. ^{{Cite web|url=https://www.nasa.gov/sites/default/files/atoms/files/2018_07_13_csli_manifest_list.pdf|title=CSLI Manifest List 2018|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}}

External links

UCLA ELFIN page
ELFIN-L page
Lomonosov page

1 : CubeSats

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