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29 July 2010 Effects of contamination upon the performance of x-ray telescopes
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Abstract
Particulate and molecular contamination can each impact the performance of x-ray telescope systems. Furthermore, any changes in the level of contamination between on-ground calibration and in-space operation can compromise the validity of the calibration. Thus, it is important to understand the sensitivity of telescope performance---especially the net effective area and the wings of the point spread function---to contamination. Here, we quantify this sensitivity and discuss the flow-down of science requirements to contamination-control requirements. As an example, we apply this methodology to the International X-ray Observatory (IXO), currently under joint study by ESA, JAXA, and NASA.
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Stephen L. O'Dell, Ronald F. Elsner, and Tim Oosterbroek "Effects of contamination upon the performance of x-ray telescopes", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77322V (29 July 2010); https://doi.org/10.1117/12.858223
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