Athena x-ray optics testing at the MSFC XRCF: overview

Wayne H. Baumgartner; Kristin Madsen; Jeff Kegley; Ernest Wright; Jim Tucker; Gregory Daspit; Vadim Burwitz; Elias Breunig; Nicholas Thomas; Steven Johnson

doi:10.1117/12.2630727

26 August 2022 Athena x-ray optics testing at the MSFC XRCF: overview

Wayne H. Baumgartner, Kristin Madsen, Jeff Kegley, Ernest Wright, Jim Tucker, Gregory Daspit, Vadim Burwitz, Elias Breunig, Nicholas Thomas, Steven Johnson

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Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121810X (2022) https://doi.org/10.1117/12.2630727
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The X-ray and Cryogenic Facility (XRCF) at the NASA Marshall Space Flight Center (MSFC) is the baselined facility for X-ray testing of the Athena X-ray optics. Here we give an overview of the planned testing, including the XRCF facility and its 500-meter X-ray beamline, the required facility X-ray sources and detectors, testing requirements, and the GSE required for X-ray testing and calibration of the Athena mirror assembly module demonstrator (MAMD), the qualification model mirror (QM), and the flight model mirror (FM). Of special interest is the metrology system needed for the calibration: because the large Athena optic (the Mirror Assembly Module, or MAM) is too large for full illumination in the XRCF 1.5m diameter X-ray beam, the six sectors of the MAM will be tested separately, requiring precise knowledge of the optic and detector positions during the calibration to enable the stitching together of the full MAM point spread function from measurements of the individual sectors.

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Wayne H. Baumgartner, Kristin Madsen, Jeff Kegley, Ernest Wright, Jim Tucker, Gregory Daspit, Vadim Burwitz, Elias Breunig, Nicholas Thomas, and Steven Johnson "Athena x-ray optics testing at the MSFC XRCF: overview", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121810X (26 August 2022); https://doi.org/10.1117/12.2630727

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KEYWORDS

X-ray optics

X-rays

Mirrors

Optical testing

Calibration

X-ray detectors

Optical fabrication

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