Abstract
The on- and off-axis imaging properties and effective area of the two SODARTflight telescopes have been measured using the expanded beam x-ray facility atthe Daresbury synchrotron. Following measurements have been done for bothFlight Model 1 & 2, at three energies: 6.627 keV, 8.837 keV and 11.046 keV.On-axis: Encircled Power Distribution, using one dimensional position sensitivedetector (1D-detector). Point Spread Function (PSF), using 1D-detector and two-dimensionalLEPC-type detector, FOV=33' (2D-detector). Effective Area, using 1D-detector.Off-axis: Point Spread Function, at off-axis angles 0.09°, 0.18° and 0.25°, using 2D-detector. Effective Area, estimates at off-axis angles in the interval [−0.4°,+0.4°], in steps of 0.05°, using 1D-detector.
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