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26 August 2022 The X-IFU focal plane assembly design progress and development model feedback
Henk J. van Weers, Brian D. Jackson, Damian Audley, Dennis van Loon, Geert Keizer, Johannes P. C. Dercksen, Marcel A. M. van Litsenburg, Nathalie Q. S. Gorter, Rob Wolfs, Roland H. den Hartog, Sander van Loon
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Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121810N (2022) https://doi.org/10.1117/12.2631450
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada
Abstract
This paper describes the design progress of the X ray Integral Field Unit Focal Plane Assembly (X-IFU FPA) for the Athena X-ray observatory. Test results obtained from the Development Model (DM) program are compared to existing numerical models. From these comparisons input to the next FPA Engineering Model (EM) is derived. Measurements have been done to assess the magnetic shielding performance and key thermal properties are verified. A dedicated configuration is used to verify the changes in mechanical dynamic behavior between ambient temperature and after cool-down to assess micro-vibration susceptibility. We conclude with a summary and outlook for the FPA-EM design.
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Henk J. van Weers, Brian D. Jackson, Damian Audley, Dennis van Loon, Geert Keizer, Johannes P. C. Dercksen, Marcel A. M. van Litsenburg, Nathalie Q. S. Gorter, Rob Wolfs, Roland H. den Hartog, and Sander van Loon "The X-IFU focal plane assembly design progress and development model feedback", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121810N (26 August 2022); https://doi.org/10.1117/12.2631450
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KEYWORDS
Fused deposition modeling
Staring arrays
Sensors
Magnetism
Multiplexing
Observatories
Performance modeling
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