3 February 2004 EPIC pn-CCD detector aboard XMM-Newton: status of the background calibration
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Abstract
We report on the current status of the background calibration of the EPIC pn-CCD camera on board XMM-Newton. The intrinsic background is comprised of internal electronic noise, and continuous and fluorescent X-ray emission induced by high-energy particles. Soft protons passing through the X-ray telescope (and finally also true cosmic X-rays) contribute to the registered events. The camera background has been monitored by using data in closed filter positions for three years; we review the spectral, spatial, and temporal distribution, for all commissioned instrument modes. This paper also discusses briefly the effects on scientific data analysis and conclusions for further observations and detectors.
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Michael J. Freyberg, Ulrich G. Briel, Konrad Dennerl, Frank Haberl, Gisela D. Hartner, Elmar Pfeffermann, Eckhard Kendziorra, Marcus G. F. Kirsch, David H. Lumb, "EPIC pn-CCD detector aboard XMM-Newton: status of the background calibration", Proc. SPIE 5165, X-Ray and Gamma-Ray Instrumentation for Astronomy XIII, (3 February 2004); doi: 10.1117/12.506277; https://doi.org/10.1117/12.506277
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