EUROPEAN TECHNOLOGY EXPOSURE FACILITY-DOSIMETRY TELESCOPES (EUTEF-DOSTEL)
Research Area: Radiation Measurements and Shielding
Expedition(s): 16- 20
Principal Investigator(s): ● Günter Reitz, PhD, German Aerospace Center, Köln, Germany
RESEARCH OBJECTIVES
The results of the European Technology Exposure Facility-DOSimetry TELescopes (EuTEF-
DOSTEL) measurements outside the International Space Station (ISS) will be compared with
data obtained with a similar DOSTEL positioned on top of the head of the MATROSHKA facility
in the frame of MATROSHKA exposure Phase 2B inside the Russian Zvezda Module. This enables
the direct comparison of space radiation data gathered in and outside the ISS with very similar
active radiation detectors, taking into account the very different shielding conditions in and
outside.
RESULTS
For the time where DOSTEL was
switched on, the instrument
performed perfectly. As an
example, the picture shows the
trigger rate of the DOSTEL for the
time from February to December
2008 (days 56-330). The trigger
profile shows in the lower part
the variation of dose due to the
galactic cosmic ray environment,
while the spikes in the picture
were related to passes over the
South Atlantic Anomaly as well as
due to electrons from the horns of
the radiation belts at higher
latitudes.
PUBLICATION(S)
Reitz G, Beaujean R, Benton ER, et al. Space radiation measurements on-board ISS - The
DOSMAP experiment. Radiation Protection Dosimetry. 2005;116(1-4):374-379. doi:
10.1093/rpd/nci262.
This investigation is complete and all results are published.
Trigger Rates for the European Technology Exposure Facility-
DOSimetry TELescopes experiment. G. Reitz image.