Ghost-ray reduction and early results from the third FOXSI sounding rocket flight

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 TurinSteven Christe, Brian Ramsey, Säm Krucker

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

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.

Original languageEnglish
Title of host publicationUV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI
EditorsOswald H. Siegmund
PublisherSPIE
ISBN (Electronic)9781510629295
DOIs
Publication statusPublished - 2019
EventUV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI 2019 - San Diego, United States
Duration: 11 Aug 201913 Aug 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11118
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceUV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI 2019
CountryUnited States
CitySan Diego
Period11/08/1913/08/19

Keywords

  • The Sun
  • X-ray focusing optics
  • X-rays
  • high-energy
  • sounding rocket

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