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Energetic electrons in Van Allen radiation belts: A first approach towards a SWx product 

Antonio Niemelä Celeda - LAMP-Universidad de Buenos Aires; Vanina Lanabere - LAMP-Universidad de Buenos Aires, Argentina; Sergio Dasso - LAMP-Universidad de Buenos Aires, Argentina 

Session: QV - Earth's Magnetosphere and Radiation Belts


Abstract

The Van Allen radiation belts contain ultra-relativistic electrons, with energies covering a range from several keVs to several MeVs. Many of the physical processes occurring in these particle populations are not fully understood due to their high time-space variability, specially during magnetospheric storms. It is crucial to understand these physical processes and their effects on technologies and human activities in space. 

The purpose of this work is to show the first steps into developing a new tool to provide alerts upon particle storms happening in the Radiation Belts. A characterization of the electron population in the outer radiation belt, for energies ranging from 1.6 to 18.9 MeV, was done. The measurements analysed were made by the Relativistic Electron-Proton Telescope (REPT) instrument on-board the Van Allen probes, launched into orbit in August 2012 and deactivated by the end of 2019.

A proto-operative product was developed using GOES-15 data. Different thresholds were defined to link different levels of radiation storms. Finally, in order to provide this information in a user-friendly way, an automated plot is refreshed and uploaded every 5 minutes to the LAMP's website (Laboratorio Argentino de Meteorología del esPacio), which is integrated into the weekly reports done by LAMP.



Approaching deadlines:

Registration opens:

16 July 2020

Abstract submission opens:

16 July 2020

European Space Weather Medals:

6 September 2020

Registration deadline:

25 September 2020

Registration deadline: [extended]

10 October 2020

Abstract submission deadline:

4 September 2020