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Radiation Effects on Stressed Ge:Ga Array Detector of Far-Infrared Surveyor on AKARI

Nakagawa, Takao; Shirahata, Mai; Doi, Yasuo +6 more

AKARI, the Japanese infrared astronomical satellite, was launched on 2006 February 21 (UT) and put into a sun-synchronous polar orbit at an altitude of 700 km. Cosmic radiations, particularly protons in the South Atlantic Anomaly (SAA), were expected to affect the performance of the stressed Ge:Ga array far-infrared detector on board AKARI. One of…