The Dark Matter Telescope

被引：0
|
作者：
Tyson, JA [1 ]
Wittman, DM [1 ]
Angel, JRP [1 ]
机构：
[1] Lucen Technol, AT & T Bell Labs, Murray Hill, NJ 07979 USA
来源：
SOURCES AND DETECTION OF DARK MATTER AND DARK ENERGY IN THE UNIVERSE | 2001年
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：
Weak gravitational lensing enables direct reconstruction of dark matter maps over cosmologically significant volumes. This research is currently telescope-limited. The Dark Matter Telescope (DMT) is a proposed 8.4 m telescope with a 3 degrees field of view, with an etendue of 260 m(2) deg(2), ten times greater than any other current or planned telescope. With its large etendue and dedicated observational mode, the DMT fills a nearly unexplored region of parameter space and enables projects that would take decades on current facilities. The DMT will be able to reach 10 sigma limiting magnitudes of 27-28 magnitude in the wavelength range .3 - 1 mum over a 7 deg(2) field in 3 nights of dark time. Here we review its unique weak lensing cosmology capabilities and the design that enables those capabilities.
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收藏
页码：37 / 49
页数：13
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