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NASA NTRS · 20210019157

Assembly of the IXPE Mirror Modules

Stephen Bongiorno·Jeffery J Kolodziejczak·Kiranmayee Kilaru·Ronnie Eng·Mark T Stahl·Jaganathan Ranganathan·Brian D Ramsey·John Tucker
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X-ray optics IXPE polarimetry

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Stephen Bongiorno, Jeffery J Kolodziejczak, Kiranmayee Kilaru, Ronnie Eng, Mark T Stahl, Jaganathan Ranganathan, Brian D Ramsey, John Tucker. Assembly of the IXPE Mirror Modules. https://ntrs.nasa.gov/citations/20210019157

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NASA NTRS2021

Assembly of the IXPE Mirror Modules

Expected to launch in December 2021, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Astrophysics Small Explorer Mission with significant contributions from the Italian space agency (ASI). Three identical x-ray telescopes combine to form the IXPE Observatory. Each is comprised of a 4-m-focal length mirror module assembly (MMA, provided by Marshall Space Flight Center) that focuses x-rays onto a polarization-sensitive, imaging detector (contributed by ASI-funded institutions). This paper describes the now-completed assembly process for the 3 flight and one spare mirror modules, and compares as-tested calibrated performance with as-built metrology data. Unexpected challenges and lessons-learned are also discussed.

X-ray optics IXPE polarimetry↗