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Considering the polarization of the oxygen thermospheric red line for Space Weather studies: theory and first measurements

Mathieu Barthelemy 1 Joran Moen 2 Jean Lilensten 1 Cyril Simon 2 Roland Thissen 1 D. A. Lorentzen 3 Odile Dutuit 1
1 LPG - Laboratoire de Planétologie de Grenoble
2 Department of Physics [Oslo]
3 Arctic Geophysics Research
UNIS - The University Centre in Svalbard
Abstract : Space weather thermospheric monitoring requires real-time and large-scale measurements. In order to monitor the thermospheric variations due to the geomagnetic activity, one relies mostly on the measurements of the intensity of the atomic oxygen green line and on the indirect measurement of the Total Electron Content. These two parameters do not allow retrieving the full characteristics of the thermosphere. We recently proposed to use the polarization of the atomic oxygen red line to fulfil this requirement (Lilensten et al., 2006). This paper will show the mechanisms underlying the polarization process. We will then present the preliminary results obtained during the first experimental campaign during the winter 2006 - 2007.
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https://hal-insu.archives-ouvertes.fr/insu-00366226
Contributor : Béatrice Pibaret-Bourdon <>
Submitted on : Friday, March 6, 2009 - 11:18:12 AM
Last modification on : Wednesday, December 23, 2020 - 3:04:03 PM

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  • HAL Id : insu-00366226, version 1

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Mathieu Barthelemy, Joran Moen, Jean Lilensten, Cyril Simon, Roland Thissen, et al.. Considering the polarization of the oxygen thermospheric red line for Space Weather studies: theory and first measurements. EGU General Assembly 2007, Apr 2007, Vienne, Austria. ⟨insu-00366226⟩

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