SH035-09
The Energetic Particle Detector (EPD) Electron-Proton Telescope (EPT) on Solar Orbiter: First data

Monday, 14 December 2020: 04:32
Virtual
Alexander Kollhoff1, Daniel Pacheco1, Robert F Wimmer-Schweingruber1, Christoph Terasa1, Robert Elftmann1, Sebastian Boden1, Johan Lauritz Freiherr von Forstner1, Lars Berger2, Sandra Eldrum1, Zigong Xu3, Javier Rodriguez-Pacheco4, George C Ho5 and The Solar Orbiter EPD Team, (1)University of Kiel, Institute for Experimental and Applied Physics, Kiel, Germany, (2)Institute for Experimental and Applied Physics (IEAP), Christian-Albrechts-University of Kiel, Kiel, Germany, (3)University of Kiel, Institute of Experimental and Applied Physics, Kiel, Germany, (4)University of Alcalá, Space Research Group, Alcalá de Henares, Spain, (5)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Recorded Presentation
Abstract:
Solar Orbiter’s Energetic Particle Detector (EPD) was commissioned in early 2020 and has since been returning data from the inner heliosphere. Despite the low activity in the current deep and extended solar minimum, EPD has observed a number of solar particle events and numerous other enhancements of energetic particles. As one of the four complementary EPD sensors, the Electron-Proton Telescope (EPT) covers the gap between the high and low particle-energy measurements of HET and STEP. With four double-ended telescopes, EPT is capable of measuring electrons and ions in an energy range of 35-400keV and 45-7000keV respectively, while providing anisotropy information from four different viewing directions.

We will present a first overview of EPT measurements, exhibiting some of the EPT data products which are made available by the European Space Agency (ESA).

In order to provide the community a deep insight into the data, we will go though the different aspects of the measurements, including some currently still open issues with EPT data which are mainly due to the lack of significant solar activity that prevent us from fully inter-calibrating our instruments.

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