The Constellation X-ray mission: Implementation concept and science overview

被引：20

作者：

Tananbaum, H ^{[1
]}

White, NE ^{[1
]}

Bookbinder, JA ^{[1
]}

Marshall, FE ^{[1
]}

Cordova, FA ^{[1
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

来源：

EUV, X-RAY, AND GAMMA-RAY INSTRUMENTATION FOR ASTRONOMY X | 1999年 / 3765卷

关键词：

X-rays; spectroscopy; Constellation-X; abundances;

D O I：

10.1117/12.366555

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Constellation-X mission is a large collecting area X-ray facility, emphasizing observations at high spectral resolution (E/Delta E similar to 300-3000) while covering a broad energy band(0.25-40 keV). By increasing the telescope aperture and utilizing efficient spectrometers the mission will achieve a factor of 100 increased sensitivity over current high resolution ii-ray spectroscopy missions. The use of focussing optics across the 10-40 keV band will provide a similar factor of 100 increased sensitivity in this band. Key technologies under development for the mission include lightweight high throughput ii-ray optics, multilayer coatings to enhance the hard ii-ray performance of ii-ray optics, micro-calorimeter spectrometer arrays with 2 eV resolution,low power and low weight CCD arrays, lightweight gratings and hard ii-ray detectors. When observations commence towards the end of the next decade, Constellation-X will address many pressing questions concerning the extremes of gravity and the evolution of the Universe.

引用

页码：62 / 72

页数：11

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