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, Beverly LaMarr, Catherine Grant, Catherine Grant, Steve Kissel, Steve Kissel, Gregory Prigozhin, Gregory Prigozhin, Mark Bautz, Mark Bautz, Takeshi Go Tsuru, Takeshi Go Tsuru, Hiroshi Tsunemi, Hiroshi Tsunemi, Tadayasu Dotani, Tadayasu Dotani, Kiyoshi Hayashida, Kiyoshi Hayashida, Hironori Matsumoto, 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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