Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 41, issue 2
Articles | Volume 41, issue 2
https://doi.org/10.5194/angeo-41-313-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-41-313-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 41, issue 2
Regular paper
 | 
17 Aug 2023
Regular paper |  | 17 Aug 2023

Comparison of radiation belt electron fluxes simultaneously measured with PROBA-V/EPT and RBSP/MagEIS instruments

Alexandre Winant, Viviane Pierrard, and Edith Botek

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Baker, Kanekal, S., Hoxie, V., Henderson, M., Li, X., Spence, H. E., Elkington, S. R., Friedel, R. H. W., Goldstein, J., Hudson, M. K., Reeves, G. D., Thorne, R. M., Kletzing, C. A., and Claudepierre, S. G.: A long-lived relativistic electron storage ring embedded in Earth’s outer Van Allen belt, Science, 340, 186–190, 2013. a
Baker, Jaynes, A., Hoxie, V., Thorne, R., Foster, J., Li, X., Fennell, J. F., Wygant, J. R., Kanekal, S. G., and Erickson, P. J.: An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts, Nature, 515, 531–534, 2014. a
Baker, Zhao, H., Li, X., Kanekal, S. G., Jaynes, A. N., Kress, B. T., Rodriguez, J. V., Singer, H. J., Claudepierre, S. G., and Fennell, J. F.: Comparison of Van Allen Probes energetic electron data with corresponding GOES-15 measurements: 2012–2018, J. Geophys. Res.-Space Phys., 124, 9924–9942, 2019. a, b
Blake, J. B., Carranza, P. A., Claudepierre, S. G., Clemmons, J. H., Crain, W. R., Dotan, Y., Fennell, J. F., Fuentes, F. H., Galvan, R. M., and George, J. S.: The magnetic electron ion spectrometer (MagEIS) instruments aboard the Radiation Belt Storm Probes (RBSP) spacecraft, Space Sci. Rev., 179, 383–421, https://doi.org/10.1007/s11214-013-9991-8, 2013. a, b
Boscher, D., Lazaro, D., Maget, V., Rolland, G., Lorfevre, E., and Ecoffet, R.: The ICARE-NG detectors' family: a new set of data for Earth's radiation belt characterization, 40th COSPAR Scientific Assembly, 40, PRBEM–1, 2 to 10 August 2014, Moscow, Russia, 2014. a
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In this work, we analyzed and compared measurements of electron fluxes in the radiation belts from two instruments with different orbits. In the outer belt, where the altitude difference is the largest between the two instruments, we find that the observations are in good agreement, except during geomagnetic storms, during which fluxes at low altitudes are much lower than at high altitudes. In general, both at low and high altitudes, the correlation between the instruments was found to be good.
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