11 July 1997 JMKMOD: a software suite within XSPEC for the ground calibration of AXAF
Author Affiliations +
We describe here the computer program for modeling the FPCs and SSDs used in the ground calibration, relative and absolute, of AXAF. The program is called as a subroutine by XSPEC. The design is hierarchical: at the lowest level are models for single electron spectra, upon which are based the computation of moment generating functions (mgfs) for the detector response functions. Any number of discrete lines and a continuum are allowed. The continuum is the source x-ray spectrum as modified by intervening filters. The overall mgf is numerically transformed into the count spectrum via an inverse fast Fourier transform. The component mgfs have unit normalization, and final fitted normalizations give the count rate for each component.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eugene Y. Tsiang, Richard J. Edgar, S. A. Vitek, Allyn F. Tennant, "JMKMOD: a software suite within XSPEC for the ground calibration of AXAF", Proc. SPIE 3113, Grazing Incidence and Multilayer X-Ray Optical Systems, (11 July 1997); doi: 10.1117/12.278842; https://doi.org/10.1117/12.278842


Laboratory soft x-ray source with foil target
Proceedings of SPIE (February 03 1993)
Spectral fitting in AXAF calibration detectors
Proceedings of SPIE (July 11 1997)
Correcting x ray spectra obtained from the AXAF VETA I...
Proceedings of SPIE (January 21 1993)
Calibrations Of A Multichannel Soft X-Ray Spectrometer
Proceedings of SPIE (April 09 1987)
Calibration of the UV ion shields for the AXAF High...
Proceedings of SPIE (October 15 1997)

Back to Top