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Space Shuttle drops down the SAA doses on ISS

Dachev, T.P. and Semkova, J. and Tomov, B. and Matviichuk, Yu. and Dimitrov, Pl. and Koleva, R. and Malchev, St. and Reitz, G. and Horneck, G. and De Angelis, G. and Häder, D.-P. and Petrov, V. and Shurshakov, V. and Benghin, V. and Chernykh, I. and Drobyshev, S. and Bankov, N.G. (2011) Space Shuttle drops down the SAA doses on ISS. Advances in Space Research, 47 (11), pp. 2030-2038. Elsevier. DOI: 10.1016/j.asr.2011.01.034

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Abstract

Long-term analysis of data from two radiation detection instruments on the International Space Station (ISS) shows that the docking of the Space Shuttle drops down the measured dose rates in the region of the South Atlantic Anomaly (SAA) by a factor of 1.5–3. Measurements either by the R3DE detector, which is outside the ISS at the EuTEF facility on the Columbus module behind a shielding of less than 0.45 g cm-², and by the three detectors of the Liulin-5 particle telescope, which is inside the Russian PEARS module in the spherical tissue equivalent phantom behind much heavier shielding demonstrate that effect. Simultaneously the estimated averaged incident energies of the incoming protons rise up from about 30 to 45 MeV. The effect is explained by the additional shielding against the SAA 30–150 MeV protons, provided by the 78 tons Shuttle to the instruments inside and outside of the ISS. An additional reason is the ISS attitude change (performed for the Shuttle docking) leading to decreasing of dose rates in two of Liulin-5 detectors because of the East–West proton fluxes asymmetry in SAA. The Galactic Cosmic Rays dose rates are practically not affected.

Item URL in elib:https://elib.dlr.de/70110/
Document Type:Article
Title:Space Shuttle drops down the SAA doses on ISS
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Dachev, T.P. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Semkova, J. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Tomov, B. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Matviichuk, Yu. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Dimitrov, Pl. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Koleva, R. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Malchev, St. Solar-Terrestrial Influences Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 3, 1113 Sofia, BulgariaUNSPECIFIED
Reitz, G. DLR, Institute of Aerospace Medicine, Köln, GermanyUNSPECIFIED
Horneck, G. DLR, Institute of Aerospace Medicine, Köln, GermanyUNSPECIFIED
De Angelis, G. DLR, Institute of Aerospace Medicine, Köln, GermanyUNSPECIFIED
Häder, D.-P. Friedrich-Alexander-Universität, Institut für Botanik und Pharmazeutische Biologie, Erlangen, GermanyUNSPECIFIED
Petrov, V. State Research Center Institute of Biomedical problems, Moscow, RussiaUNSPECIFIED
Shurshakov, V. State Research Center Institute of Biomedical problems, Moscow, RussiaUNSPECIFIED
Benghin, V. State Research Center Institute of Biomedical problems, Moscow, RussiaUNSPECIFIED
Chernykh, I. State Research Center Institute of Biomedical problems, Moscow, RussiaUNSPECIFIED
Drobyshev, S. State Research Center Institute of Biomedical problems, Moscow, RussiaUNSPECIFIED
Bankov, N.G. Space Research Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Block 29, 1113 Sofia, BulgariaUNSPECIFIED
Date:2011
Journal or Publication Title:Advances in Space Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:47
DOI :10.1016/j.asr.2011.01.034
Page Range:pp. 2030-2038
Publisher:Elsevier
Status:Published
Keywords:Space radiation, Dosimetry, ISS, Radiation measurements, Space Shuttle
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Strahlenbiologie (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:27 Jun 2011 09:10
Last Modified:06 Sep 2019 15:27

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