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Early Results From the Engineering Radiation Monitor (ERM) and Solar Cell Monitor on the Van Allen Probes Mission

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7 Author(s)
Richard H. Maurer ; Space Department, Johns Hopkins University Applied Physics Laboratory, Laurel ; John O. Goldsten ; Patrick N. Peplowski ; Andrew G. Holmes-Siedle
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The Engineering Radiation Monitor (ERM) measures dose, dose rate and charging currents on the Van Allen Probes mission to study the dynamics of earth's Van Allen radiation belts. Early results from this monitor show a variation in dose rates with time, a correlation between the dosimeter and charging current data, a map of charging current versus orbit altitude and a comparison of cumulative dose to pre-launch modeling after 260 days. Solar cell degradation monitor patches track the decrease in solar array output as displacement damage accumulates.

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IEEE Transactions on Nuclear Science  (Volume:60 ,  Issue: 6 )