Direct comparison of transient radiation belt topology and dynamics in 1991 based on measurements onboard Mir space station and NOAA satellite. |
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Authors: | V A Shurshakov S L Huston Petrov" target="_blank">V M Dachev TsPPetrov Semkova" target="_blank">J V Ivanov YuVSemkova |
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Institution: | State Scientific Center-Institute for Biomedical Problems, Moscow, Russia. |
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Abstract: | In March 1991 the CRRES spacecraft measured a new transient radiation belt resulting from a solar proton event and subsequent geomagnetic disturbance. The presence of this belt was also noted by dosimeter-radiometers aboard the Mir space station (approx. 400 km, 51 degrees orbit) and by particle telescopes on the NOAA-10 spacecraft (850 km, 98 degrees). This event provides a unique opportunity to compare particle flux and dose measurements made by different instruments in different orbits under changing conditions. We present here a comparison of the measurements made by the different detectors. We discuss the topology and dynamics of the transient radiation belt over a period of more than one year. |
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