Time Profile of Cosmic Radiation Exposure During the EXPOSE-E Mission: The R3DE Instrument
Dachev, Tsvetan and Horneck, Gerda and Häder, Donat-Peter and Schuster, Martin and Richter, Peter and Lebert, Michael and Demets, Rene (2012) Time Profile of Cosmic Radiation Exposure During the EXPOSE-E Mission: The R3DE Instrument. Astrobiology, 12 (5), pp. 403-411. Mary Ann Liebert, Inc.. DOI: 10.1089/ast.2011.0759.
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The aim of this paper is to present the time profile of cosmic radiation exposure obtained by the Radiation Risk Radiometer-Dosimeter during the EXPOSE-E mission in the European Technology Exposure Facility on the International Space Station’s Columbus module. Another aimis to make the obtained results available to other EXPOSE-E teams for use in their data analysis. Radiation Risk Radiometer-Dosimeter is a low-mass and small-dimension automatic device that measures solar radiation in four channels and cosmic ionizing radiation as well. The main results of the present study include the following: (1) three different radiation sources were detected and quantified— galactic cosmic rays (GCR), energetic protons from the South Atlantic Anomaly (SAA) region of the inner radiation belt, and energetic electrons from the outer radiation belt (ORB); (2) the highest daily averaged absorbed dose rate of 426 μGy d⁻¹ came from SAA protons; (3) GCR delivered a much smaller daily absorbed dose rate of 91.1 μGy d⁻¹, and the ORB source delivered only 8.6 μGy d⁻¹. The analysis of the UV and temperature data is a subject of another article (Schuster et al., 2012).
|Title:||Time Profile of Cosmic Radiation Exposure During the EXPOSE-E Mission: The R3DE Instrument|
|Journal or Publication Title:||Astrobiology|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 403-411|
|Publisher:||Mary Ann Liebert, Inc.|
|Keywords:||Ionizing radiation, R3D, ISS|
|HGF - Research field:||Aeronautics, Space and Transport, Aeronautics, Space and Transport|
|HGF - Program:||Raumfahrt, Space|
|HGF - Program Themes:||R FR - Forschung unter Weltraumbedingungen, W FR - Forschung unter Weltraumbedingungen|
|DLR - Research area:||Raumfahrt, Space|
|DLR - Program:||R FR - Forschung unter Weltraumbedingungen, W FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||R - Vorhaben Strahlenbiologie, W - Vorhaben Strahlenbiologie (old)|
|Institutes and Institutions:||Institute of Aerospace Medicine > Radiation Biology|
|Deposited By:||Kerstin Kopp|
|Deposited On:||08 Aug 2012 15:23|
|Last Modified:||20 Mar 2013 19:45|
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