In Flight Performance of the Far Ultraviolet Instrument (FUV) on ICON

H. U. Frey, S. B. Mende, R. R. Meier, U. Kamaci, J. M. Urco, F. Kamalabadi, S. L. England, T. J. Immel

Research output: Contribution to journalReview articlepeer-review


The NASA Ionospheric Connection Explorer (ICON) was launched in October 2019 and has been observing the upper atmosphere and ionosphere to understand the sources of their strong variability, to understand the energy and momentum transfer, and to determine how the solar wind and magnetospheric effects modify the internally-driven atmosphere-space system. The Far Ultraviolet Instrument (FUV) supports these goals by observing the ultraviolet airglow in day and night, determining the atmospheric and ionospheric composition and density distribution. Based on the combination of ground calibration and flight data, this paper describes how major instrument parameters have been verified or refined since launch, how science data are collected, and how the instrument has performed over the first 3 years of the science mission. It also provides a brief summary of science results obtained so far.

Original languageEnglish (US)
Article number23
JournalSpace Science Reviews
Issue number3
StatePublished - Apr 2023
Externally publishedYes


  • Airglow
  • FUV instrument
  • Ionosphere
  • NASA ICON mission

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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