Physics
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..651s&link_type=abstract
Advances in Space Research, vol. 14, no. 10, p. 651-654
Physics
2
Flux Transfer Events, Geomagnetic Pulsations, Mir Space Station, Solar Protons, Dosimeters, Interplanetary Magnetic Fields, Magnetic Disturbances, Magnetospheric Instability, Radiation Shielding, Radiometers
Scientific paper
The Liulin dosimeter-radiometer on the MIR space station detected the 19 October 1989 high energy solar proton event. These results show that the main particle increase contains protons with energies up to about 9 GeV. After the main particle onset the Liulin dosimeter observed a typical geomagnetic cutoff modulation of the dose rate from the solar particles as the MIR space station traversed magnetic latitudes. When the interplanetary shock and associated solar plasma enveloped the earth on 20 October between 14 and 17 UT the radiation exposure increased significantly due to the lowering of the geomagnetic cutoff. The analysis of this event shows how various geophysical phenomena can significantly modulate the dose rate encountered by earth-orbiting spacecraft.
Bankov N. G.
Bengin V. V.
Dachev Ts. P.
Petrov V. M.
Shea Margaret Ann
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