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8 September 2005 Technology development for the Constellation-X spectroscopy x-ray telescope
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Abstract
The Constellation-X Spectroscopy X-ray Telescope (SXT) is a large diameter, high throughput, grazing incidence imaging mirror system, designed to perform high sensitivity spectroscopy of cosmic X-ray sources in the 0.2-10.0 keV band. The baseline effective area requirement is ~3 m2 at 1 keV. The system-level angular-resolution requirement is a 15-arcseconds half-power diameter, with a 5-arcsecond goal. The effective area is attained through a modular design, involving the nesting of many confocal, thin-walled Wolter I mirror segments. Considerable progress has been made in developing thin, thermally formed, glass mirror substrates that meet or better the angular-resolution requirement. Several approaches to mounting and aligning reflector segments into a mirror system are under investigation. We report here on the progress of the SXT technology development program toward reaching the performance goals.
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Robert Petre, John Lehan, Stephen O'Dell, Scott Owens, Paul B. Reid, Timo Saha, Jeff Stewart, William D. Jones, and Wiiliam Zhang "Technology development for the Constellation-X spectroscopy x-ray telescope", Proc. SPIE 5900, Optics for EUV, X-Ray, and Gamma-Ray Astronomy II, 59000U (8 September 2005); https://doi.org/10.1117/12.615172
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