A comparison of imaging spectrometers

被引：0
|
作者：
Bennett, CL [1 ]
机构：
[1] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
NGST SCIENCE AND TECHNOLOGY EXPOSITION | 2000年 / 207卷
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Realistic signal to noise performance estimates for the various types of instruments being considered for NGST are compared, based on the point source detection values quoted in the available ISIM final reports. The corresponding sensitivity of the various types of spectrometers operating in a full field imaging mode, for both emission line objects and broad spectral distribution objects, is computed and displayed. For the purpose of seeing the earliest galaxies, or the faintest possible emission fine sources, the imaging Fourier transform spectrometer emerges superior to all others, by orders of magnitude in speed.
引用
收藏
页码：344 / 353
页数：2
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