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Journal of Low Temperature Physics

, Volume 193, Issue 3–4, pp 505–511 | Cite as

In-Orbit Performance of the Digital Electronics for the X-Ray Microcalorimeter Onboard the Hitomi Satellite

  • M. Tsujimoto
  • M. S. Tashiro
  • Y. Ishisaki
  • S. Yamada
  • H. Seta
  • K. Mitsuda
  • K. R. Boyce
  • M. E. Eckart
  • C. A. Kilbourne
  • M. A. Leutenegger
  • F. S. Porter
  • R. L. Kelley
Article
  • 54 Downloads

Abstract

The pulse shape processor is the onboard digital electronics unit of the X-ray microcalorimeter instrument—the soft X-ray spectrometer—onboard the Hitomi satellite. It processes X-ray events using the optimum filtering with limited resources. It was operated for 36 days in orbit continuously without issues and met the requirement of processing a \(150~\hbox {s}^{-1}\) event rate during the observation of bright sources. Here, we present the results obtained in orbit, focusing on its performance as the onboard digital signal processing unit of an X-ray microcalorimeter.

Keywords

X-ray microcalorimeter Digital signal processing Space applications 

Notes

Acknowledgements

The authors gratefully acknowledge the many other scientists, engineers, technicians, and students whose hard work contributed to the capabilities of the SXS. This work was supported by JSPS KAKENHI Grant Numbers JP15H03642, JP16K05309, and the Grant-in-Aid for Scientific Research on Innovative Areas Nuclear matter in neutron stars investigated by experiments and astronomical observations.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • M. Tsujimoto
    • 1
  • M. S. Tashiro
    • 2
  • Y. Ishisaki
    • 3
  • S. Yamada
    • 3
  • H. Seta
    • 3
  • K. Mitsuda
    • 1
  • K. R. Boyce
    • 4
  • M. E. Eckart
    • 4
  • C. A. Kilbourne
    • 4
  • M. A. Leutenegger
    • 4
  • F. S. Porter
    • 4
  • R. L. Kelley
    • 4
  1. 1.Department of Space Astrophysics, Institute of Space and Astronautical Science (ISAS)Japan Aerospace Exploration Agency (JAXA)SagamiharaJapan
  2. 2.Department of PhysicsSaitama UniversitySakura-ku, SaitamaJapan
  3. 3.Department of PhysicsTokyo Metropolitan UniversityHachiojiJapan
  4. 4.NASA’s Goddard Space Flight CenterGreenbeltUSA

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