Abstract: In preparation for calibrating the Advanced X-ray Astrophysics Facility, a multicomponent x- ray source system has been assembled for use at the x-ray calibration facility at MSFC. The system consists of an electron impact point source with filters, a penning gas discharge source, and two monochromators fed by rotating anode x-ray generator. The purpose and predicted performance characteristics of these elements are described as they apply to the AXAF calibration. The planned source characterizations, performed in June 1995 through June 1996 time period, are also described. !14
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