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9 September 2019 Ghost-ray reduction and early results from the third FOXSI sounding rocket flight
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Abstract
The Focusing Optics X-ray Solar Imager (FOXSI) sounding rocket experiment demonstrates the technique of focusing hard X-ray (HXR) optics for the study of fundamental questions about the high-energy Sun. Solar HXRs provide one of the most direct diagnostics of accelerated electrons and the impulsive heating of the solar corona. Previous solar missions have been limited in sensitivity and dynamic range by the use of indirect imaging, but technological advances now make direct focusing accessible in the HXR regime, and the FOXSI rocket experiment optimizes HXR focusing telescopes for the unique scientific requirements of the Sun. FOXSI has completed three successful flights between 2012 and 2018. This paper gives a brief overview of the experiment, focusing on the third flight of the instrument on 2018 Sept. 7. We present the telescope upgrades highlighting our work to understand and reduce the effects of singly reflected X-rays and show early science results obtained during FOXSI's third flight.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sophie Musset, Juan Camilo Buitrago-Casas, Lindsay Glesener, Stephen Bongiorno, Sasha Courtade, P. S. Athiray, Juliana Vievering, Shin-nosuke Ishikawa, Noriyuki Narukage, Kento Furukawa, Daniel Ryan, Greg Dalton, Zoe Turin, Lance Davis, Tadayuki Takahashi, Shin Watanabe, Ikuyuki Mitsuishi, Kouichi Hagino, Tomoko Kawate, Paul Turin, Steven Christe, Brian Ramsey, and Säm Krucker "Ghost-ray reduction and early results from the third FOXSI sounding rocket flight", Proc. SPIE 11118, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI, 1111812 (9 September 2019); https://doi.org/10.1117/12.2530029
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Cited by 3 scholarly publications.
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KEYWORDS
Sensors

Rockets

Geometrical optics

Collimators

Sun

X-rays

Solar processes

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