15 July 2008 Front- and back-illuminated x-ray CCD performance in low- and high-Earth orbit: performance trends of Suzaku XIS and Chandra ACIS detectors
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Abstract
Since the launch of the Suzaku X-ray astronomy satellite into low- earth orbit in July, 2005, the performance of the CCD detectors in the X-ray Imaging Spectrometer (XIS) detectors have slowly degraded, as expected, due to accumulating radiation damage. We compare the evolution of front- and back-illuminated XIS CCDs with one another and with that of very similar detectors installed in the ACIS instrument aboard the Chandra X-ray Observatory, which is in a much higher orbit than Suzaku. We attempt to identify effects of the differing radiation environments as well as those arising from structural differences between the two types of detector.
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Beverly LaMarr, Catherine Grant, Steve Kissel, Gregory Prigozhin, Mark Bautz, Takeshi Go Tsuru, Hiroshi Tsunemi, Tadayasu Dotani, Kiyoshi Hayashida, Hironori Matsumoto, "Front- and back-illuminated x-ray CCD performance in low- and high-Earth orbit: performance trends of Suzaku XIS and Chandra ACIS detectors", Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70112C (15 July 2008); doi: 10.1117/12.788168; https://doi.org/10.1117/12.788168
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