AXAF-mirror effective area calibration using the C-continuum source and solid state detectors

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

doi:10.1117/12.331240

19 November 1998 AXAF-mirror effective area calibration using the C-continuum source and solid state detectors

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

Author Affiliations +

Proceedings Volume 3444, X-Ray Optics, Instruments, and Missions; (1998) https://doi.org/10.1117/12.331240
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

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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, and C. G Zirnstein "AXAF-mirror effective area calibration using the C-continuum source and solid state detectors", Proc. SPIE 3444, X-Ray Optics, Instruments, and Missions, (19 November 1998); https://doi.org/10.1117/12.331240

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