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Neutral Composition Information in ICON EUV Dayglow Observations.
Tuminello, Richard M; England, Scott L; Sirk, Martin M; Meier, R R; Stephan, Andrew W; Korpela, Eric J; Immel, Thomas J; Mende, Stephen B; Frey, Harald U.
Afiliación
  • Tuminello RM; Aerospace and Ocean Engineering Virginia Polytechnic Institute and State University Blacksburg VA USA.
  • England SL; US Naval Research Laboratory Washington DC USA.
  • Sirk MM; Aerospace and Ocean Engineering Virginia Polytechnic Institute and State University Blacksburg VA USA.
  • Meier RR; Space Sciences Laboratory University of California Berkeley CA USA.
  • Stephan AW; Physics and Astronomy George Mason University Fairfax VA USA.
  • Korpela EJ; US Naval Research Laboratory (Emeritus) Washington DC USA.
  • Immel TJ; US Naval Research Laboratory Washington DC USA.
  • Mende SB; Space Sciences Laboratory University of California Berkeley CA USA.
  • Frey HU; Space Sciences Laboratory University of California Berkeley CA USA.
J Geophys Res Space Phys ; 127(8): e2022JA030592, 2022 Aug.
Article en En | MEDLINE | ID: mdl-36247324
Since the earliest space-based observations of Earth's atmosphere, ultraviolet (UV) airglow has proven a useful resource for remote sensing of the ionosphere and thermosphere. The NASA Ionospheric Connection Explorer (ICON) spacecraft, whose mission is to explore the connections between ionosphere and thermosphere utilizes UV airglow in the typical way: an extreme-UV (EUV) spectrometer uses dayglow between 54 and 88 nm to measure the density of O+, and a far-UV spectrograph uses the O 135.6 nm doublet and N2 Lyman-Birge-Hopfield band dayglow to measure the column ratio of O to N2 in the upper thermosphere. Two EUV emission features, O+ 61.6 and 83.4 nm, are used for the O+ retrieval; however, many other features are captured along the EUV instrument's spectral dimension. In this study, we examine the other dayglow features observed by ICON EUV and demonstrate that it measures a nitrogen feature around 87.8 nm which can be used to observe the neutral thermosphere.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Geophys Res Space Phys Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Geophys Res Space Phys Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos