Technology Development for the Constellation-X Spectroscopy X-Ray Telescope

被引：0
|
作者：
Petre, Robert [1 ]
Lehan, John [1 ]
O'Dell, Stephen
Owens, Scott
Reid, Paul B.
Saha, Timo
Stewart, Jeff
Jones, William D.
Zhang, William [1 ]
机构：
[1] NASA GSFC, Xray Astrophys Lab, Greenbelt, MD 20771 USA
来源：
OPTICS FOR EUV, X-RAY, AND GAMMA-RAY ASTRONOMY II | 2005年 / 5900卷
关键词：
X-ray mirrors; Constellation-X;
D O I：
10.1117/12.615172
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 similar to 3 m(2) 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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页数：8
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