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Proceedings Paper

System design and implementation of the detector assembly for the Astro-H soft x-ray spectrometer
Author(s): M. P. Chiao; J. Adams; P. Goodwin; C. W. Hobson; R. L. Kelley; C. A. Kilbourne; D. McCammon; D. S. McGuinness; S. J. Moseley; F. S. Porter; S. Shuman; T. Watanabe
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Paper Abstract

The soft x-ray spectrometer (SXS) onboard Astro-H presents to the science community unprecedented capability (> 7 eV at 6 keV) for high-resolution spectral measurements in the range of 0.5 – 12 keV to study extended celestial sources. At the heart of this SXS is the x-ray calorimeter spectrometer (XCS) where detectors (calorimeter array and anticoincidence detector) operate at 50 mK, the bias circuit operates at nominal 1.3 K, and the first stage amplifiers operate at 130 K, all within a nominal 20 cm envelope. The design of the detector assembly in this XCS originates from the Astro-E x-ray spectrometer (XRS) and lessons learned from Astro-E and Suzaku. After the production of our engineering model, additional changes were made in order to improve our flight assembly process for better reliability and overall performance. In this poster, we present the final design and implementation of the flight detector assembly, show comparison of parameters and performance to Suzaku’s XRS, and list susceptibilities to other subsystems as well as our lessons learned.

Paper Details

Date Published: 18 July 2016
PDF: 16 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99053M (18 July 2016); doi: 10.1117/12.2231897
Show Author Affiliations
M. P. Chiao, NASA Goddard Space Flight Ctr. (United States)
J. Adams, NASA Goddard Space Flight Ctr. (United States)
P. Goodwin, NASA Goddard Space Flight Ctr. (United States)
C. W. Hobson, NASA Goddard Space Flight Ctr. (United States)
R. L. Kelley, NASA Goddard Space Flight Ctr. (United States)
C. A. Kilbourne, NASA Goddard Space Flight Ctr. (United States)
D. McCammon, Univ. of Wisconsin, Madison (United States)
D. S. McGuinness, NASA Goddard Space Flight Ctr. (United States)
S. J. Moseley, NASA Goddard Space Flight Ctr. (United States)
F. S. Porter, NASA Goddard Space Flight Ctr. (United States)
S. Shuman, NASA Goddard Space Flight Ctr. (United States)
T. Watanabe, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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