In orbit calibrations of XMM-Newton telescopes

David H. Lumb; A. Finoguenov; Richard Saxton; Bernd Aschenbach; Philippe Gondoin; Marcus Kirsch; I. M. Stewart

doi:10.1117/12.461334

11 March 2003 In orbit calibrations of XMM-Newton telescopes

David H. Lumb, A. Finoguenov, Richard Saxton, Bernd Aschenbach, Philippe Gondoin, Marcus Kirsch, I. M. Stewart

Proceedings Volume 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy; (2003) https://doi.org/10.1117/12.461334
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We describe in-orbit measurements of the mirror vignetting in the XMM-Newton Observatory, using observations of SNR G21.5-09 with the EPIC imaging cameras. The instrument features that complicate these measurements are briefly described. We show the spatial and energy dependences of measured vignetting, outlining assumptions made in deriving the eventual agreement between theory and measurement. Alternate methods to confirm these are described. We briefly describe an analysis of the stray-light rejection of the telescope.

Citation Download Citation

David H. Lumb, A. Finoguenov, Richard Saxton, Bernd Aschenbach, Philippe Gondoin, Marcus Kirsch, and I. M. Stewart "In orbit calibrations of XMM-Newton telescopes", Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); https://doi.org/10.1117/12.461334

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