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SMuK 2023 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 9: Poster

EP 9.20: Poster

Mittwoch, 22. März 2023, 17:30–19:00, HSZ OG1

Modeling of the count and dose rate of the DOSimetry TELescope (DOSTEL) aboard the International Space StationHanna Giese, Sönke Burmeister, •Bernd Heber, Konstantin Herbst, and Lisa Romaneehsen — Christian-Albrechts-Universität Kiel

The DOSimetry Telescope (DOSTEL) measures the radiation environment within the Columbus module of the International Space Station (ISS) by utilizing two semiconductor detectors. The Earth is continuously exposed to galactic cosmic rays and occasionally by Solar Energetic Particles. The magnetized solar wind in the heliosphere and the Earth’s magnetic field alters the flux of these particles. In addition these particles need to propagate through the Earth magnetosphere leading to maximum and minimum fluxes at polar and equatorial latitudes. This dependency can be described by the Dorman function. In combination with the primary spectra of ions approximated by the force field solution, the Dorman function is ideally suited to describe the response of the instrument within the ISS. Thus it is sufficient to determine the response function (yield) for a few selected periods. In order to validate the yield function we predict the measurements for other periods including Forbush Decreases and compare to the actual observations.
We received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 870405.

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