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Proceedings Paper

AXAF-mirror effective area calibration using the C-continuum source and solid state detectors
Author(s): Ping Zhao; Robert A. Austin; Richard J. Edgar; Ronald F. Elsner; Terrance J. Gaetz; Dale E. Graessle; Diab Jerius; Jeffery J. Kolodziejczak; Walter C. McDermott; Stephen L. O'Dell; Martin E. Sulkanen; Daniel A. Schwartz; Douglas A. Swartz; Allyn F. Tennant; Leon P. Van Speybroeck; Bradford J. Wargelin; Martin C. Weisskopf; C. G Zirnstein
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Paper Abstract

The AXAF X-ray mirrors underwent thorough calibration using the X-ray Calibration Facility (XRCF) at the Marshall Space Flight Center in Huntsville, AL from late 1996 to early 1997. The x-ray calibration made novel use of the x-ray continuum from a conventional electron-impact source. Taking advantage of the good spectral resolution of solid-state detectors, continuum measurements proved advantageous in calibration the effective area of AXAF's High-Resolution Mirror Assembly (HRMA) for the entire AXAF energy band. The measurements were made by comparing the spectrum detected by a SSD at the focal plane with the spectrum detected by a beam normalization SSD. The HRMA effective area was calibrated by comparing the measurements with the HRMA raytrace model. The HRMA on-orbit performance predictions are made using the calibration results.

Paper Details

Date Published: 19 November 1998
PDF: 24 pages
Proc. SPIE 3444, X-Ray Optics, Instruments, and Missions, (19 November 1998); doi: 10.1117/12.331240
Show Author Affiliations
Ping Zhao, Smithsonian Astrophysical Observatory (United States)
Robert A. Austin, Universities' Space Research Association (United States)
Richard J. Edgar, Smithsonian Astrophysical Observatory (United States)
Ronald F. Elsner, NASA Marshall Space Flight Ctr. (United States)
Terrance J. Gaetz, Smithsonian Astrophysical Observatory (United States)
Dale E. Graessle, Smithsonian Astrophysical Observatory (United States)
Diab Jerius, Smithsonian Astrophysical Observatory (United States)
Jeffery J. Kolodziejczak, Universities' Space Research Association (United States)
Walter C. McDermott, Smithsonian Astrophysical Observatory (United States)
Stephen L. O'Dell, NASA Marshall Space Flight Ctr. (United States)
Martin E. Sulkanen, NASA Marshall Space Flight Ctr. (United States)
Daniel A. Schwartz, Smithsonian Astrophysical Observatory (United States)
Douglas A. Swartz, Universities' Space Research Association (United States)
Allyn F. Tennant, NASA Marshall Space Flight Ctr. (United States)
Leon P. Van Speybroeck, Smithsonian Astrophysical Observatory (United States)
Bradford J. Wargelin, Smithsonian Astrophysical Observatory (United States)
Martin C. Weisskopf, NASA Marshall Space Flight Ctr. (United States)
C. G Zirnstein, Universities' Space Research Association (United States)


Published in SPIE Proceedings Vol. 3444:
X-Ray Optics, Instruments, and Missions
Richard B. Hoover; Arthur B. C. Walker, Editor(s)

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