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Proceedings Paper

Design and performance of the ASTRO-E/XRS microcalorimeter array and anticoincidence detector
Author(s): Caroline A. Kilbourne; Michael Damian Audley; Kevin R. Boyce; Regis P. Brekosky; Ryuichi Fujimoto; Keith C. Gendreau; John D. Gygax; Yoshitaka Ishisaki; Richard L. Kelley; R. A. McClanahan; Tatehiro Mihara; Kazuhisa Mitsuda; Samuel Harvey Moseley; David Brent Mott; Frederick Scott Porter; Carl Michael Stahle; Andrew E. Szymkowiak
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Paper Abstract

The XRS instrument has an array of 32 micro-calorimeters at the focal plane. These calorimeters consist of ion-implanted silicon thermistors and HgTe thermalizing x-ray absorbers. These devices have demonstrated a resolution of 9 eV at 3 keV and 11 eV at 6 keV. We will discuss the basic physical parameters of this array, including the array layout, thermal conductance of the link to the heat sink, operating temperature, thermistor size, absorber choice, and means of attaching the absorber to the thermistor bearing element. We will present representative performance data, though a more detailed presentation of the results of the instrument calibration is presented elsewhere in these proceedings. A silicon ionization detector is located behind the calorimeter array and serves to reject events due to cosmic rays. We will briefly describe this anti-coincidence detector and its performance in conjunction with the array.

Paper Details

Date Published: 22 October 1999
PDF: 9 pages
Proc. SPIE 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X, (22 October 1999); doi: 10.1117/12.366494
Show Author Affiliations
Caroline A. Kilbourne, NASA Goddard Space Flight Ctr. (United States)
Michael Damian Audley, NASA Goddard Space Flight Ctr. and Univ. of Maryland (Japan)
Kevin R. Boyce, NASA Goddard Space Flight Ctr. (United States)
Regis P. Brekosky, NASA Goddard Space Flight Ctr. and Swales Aerospace (United States)
Ryuichi Fujimoto, Institute of Space and Astronautical Science (Japan)
Keith C. Gendreau, NASA Goddard Space Flight Ctr. and Univ. of Maryland (United States)
John D. Gygax, NASA Goddard Space Flight Ctr. and Swales Aerospace (United States)
Yoshitaka Ishisaki, Tokyo Metropolitan Univ. (Japan)
Richard L. Kelley, NASA Goddard Space Flight Ctr. (United States)
R. A. McClanahan, NASA Goddard Space Flight Ctr. (United States)
Tatehiro Mihara, RIKEN--The Institute of Physical and Chemical Research (Japan)
Kazuhisa Mitsuda, Institute of Space and Astronautical Science (Japan)
Samuel Harvey Moseley, NASA Goddard Space Flight Ctr. (United States)
David Brent Mott, NASA Goddard Space Flight Ctr. (United States)
Frederick Scott Porter, NASA Goddard Space Flight Ctr. (United States)
Carl Michael Stahle, NASA Goddard Space Flight Ctr. (United States)
Andrew E. Szymkowiak, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 3765:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X
Oswald H. W. Siegmund; Kathryn A. Flanagan, Editor(s)

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