Abstract

The Water Recovery X-ray Rocket (WRXR) is a sounding rocket payload that launched from the Kwajalein Atoll in April 2018 and was the first NASA astrophysics sounding rocket payload to be recovered from water. WRXR's primary instrument is a grating spectrometer that consists of a mechanical collimator, X-ray reflection gratings, grazing-incidence mirrors, and a hybrid CMOS detector. We present here the design of the WRXR spectrometer’s gratings and mirrors.

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