Computer Science – Performance
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21345707w&link_type=abstract
American Astronomical Society, AAS Meeting #213, #457.07; Bulletin of the American Astronomical Society, Vol. 41, p.358
Computer Science
Performance
Scientific paper
The very large collecting area of the International X-ray Observatory, 3 m2 at 1 keV, has the potential to provide a unique science capability of very high time resolution combined with high spectral resolution on bright X-ray sources. However, this will only be possible if the X-ray detectors can meet the count rate demands and this is difficult if not impossible with the expected angular resolution of 5 arc seconds. Using a square pore Micro Channel Plate as a defocusing optic the point spread function of a source on axis can be defocused so that it covers many pixels in the focal plane and then the X-ray detectors can cope with a much higher count rate, possibly 100-1000 times larger. We pesent a design, implementation and predicted performance of such an optic and discuss the science which can be achieved using it.
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