Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

Resolve instrument onboard XRISM: design, integration, and instrument test results

Journal Article · · Journal of Astronomical Telescopes, Instruments, and Systems
 [1];  [2];  [3];  [2];  [2];  [2];  [4];  [5];  [2];  [6];  [2];  [2];  [2];  [7];  [7];  [7];  [7];  [2];  [5];  [1] more »;  [8];  [9];  [10];  [2];  [10];  [2];  [11];  [4];  [5];  [12];  [13];  [9];  [1];  [2];  [2];  [2];  [2];  [14];  [2];  [9];  [15];  [2];  [16];  [17];  [2];  [12];  [8];  [2];  [18];  [19];  [20];  [12];  [10];  [2];  [2];  [2];  [2];  [21];  [12];  [4];  [9];  [22];  [2];  [2];  [10];  [14];  [9] « less
  1. Tokyo Metropolitan University (Japan)
  2. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  3. Ehime University, Matsuyama (Japan)
  4. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States); University of Maryland Baltimore County (UMBC), Baltimore, MD (United States)
  5. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  6. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States); University of Maryland, College Park, MD (United States)
  7. Space Research Organization Netherlands (SRON), Leiden, The Netherlands
  8. University of Geneva, Versoix (Switzerland)
  9. Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara, Kanagawa (Japan)
  10. Space Research Organization Netherlands (SRON), Leiden (Netherlands)
  11. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)
  12. Japan Aerospace Exploration Agency (ISAS/JAXA), Tsukuba, Ibaraki (Japan)
  13. Inst. of Physical and Chemical Research (RIKEN), Wako (Japan)
  14. Rikkyo University, Tokyo (Japan)
  15. University of Wisconsin, Madison, WI (United States)
  16. University of Teacher Education Fukuoka (Japan)
  17. Tohoku University, Sendai (Japan)
  18. Kyoto Sangyo University (Japan)
  19. Meiji University, Kawasaki (Japan)
  20. Rikkyo University, Tokyo (Japan); University of Wisconsin, Madison, WI (United States)
  21. Yale University, New Haven, CT (United States)
  22. Tokyo University of Science, Noda (Japan)
+ Show Author Affiliations
The Resolve instrument onboard the X-Ray Imaging and Spectroscopy Mission (XRISM) consists of an array of 6 × 6 silicon-thermistor microcalorimeters cooled down to 50 mK and a high-throughput X-ray mirror assembly (XMA) with a focal length of 5.6 m. XRISM is a recovery mission of ASTRO-H/Hitomi, and the Resolve instrument is a rebuild of the ASTRO-H Soft X-ray spectrometer (SXS) and the Soft X-ray Telescope (SXT) that achieved energy resolution of ∼ 5 eV FWHM on orbit, with several important changes based on lessons learned from ASTRO-H. The flight models of the Dewar and the electronics boxes were fabricated, and the instrument test and calibration were conducted in 2021. By tuning the cryocooler frequencies, energy resolution better than 4.9 eV FWHM at 6 keV was demonstrated for all 36 pixels and high-resolution grade events, as well as energy-scale accuracy better than 2 eV up to 30 keV. The immunity of the detectors to microvibration, electrical conduction, and radiation was evaluated. The instrument was delivered to the spacecraft system in April 2022. The XMA was tested and calibrated separately. Its angular resolution is 1.27′, and the effective area of the mirror itself is 570 cm2 at 1 keV and 424 cm2 at 6 keV. We report the design and the major changes from the ASTRO-H SXS, the integration, and the results of the instrument test.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
National Aeronautics and Space Administration (NASA); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
2588641
Report Number(s):
LLNL--JRNL-2007898
Journal Information:
Journal of Astronomical Telescopes, Instruments, and Systems, Journal Name: Journal of Astronomical Telescopes, Instruments, and Systems Journal Issue: 04 Vol. 11; ISSN 2329-4124
Publisher:
SPIE-Intl Soc Optical EngCopyright Statement
Country of Publication:
United States
Language:
English

Similar Records

Optimization of X-ray event screening using ground and in-orbit data for the Resolve instrument onboard the XRISM satellite
Journal Article · Mon Mar 10 20:00:00 EDT 2025 · Journal of Astronomical Telescopes, Instruments, and Systems · OSTI ID:2556953
Calibration of the microcalorimeter spectrometer on-board the Hitomi (Astro-H) observatory (invited)
Journal Article · Wed Aug 17 20:00:00 EDT 2016 · Review of Scientific Instruments · OSTI ID:1354288

Related Subjects

X-ray
instruments
microcalorimeter
spectroscopic