Compact Optics for High Resolution Spectroscopy of Celestial X-ray Sources

被引：0

作者：

Cash, W. ^{[1
]}

Lillie, C. ^{[2
]}

McEntaffer, R. ^{[3
]}

Zhang, W. ^{[4
]}

机构：

[1] Univ Colorado, Boulder, CO 80309 USA

[2] Northrop Grumman Aerosp Syst, Redondo Beach, CA 90278 USA

[3] Univ Iowa, Iowa City, IA 52242 USA

[4] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

来源：

EUV AND X-RAY OPTICS: SYNERGY BETWEEN LABORATORY AND SPACE II | 2011年 / 8076卷

关键词：

X-ray Optics; x-ray spectroscopy;

D O I：

10.1117/12.887092

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The astronomy community has never flown a celestial source spectrograph that can resolve natural line widths in absorption the way the ultraviolet community since OAO-3 Copernicus in 1972. Yet there is important science to be mined there, and right now there are now missions on track to pursue it. We present a modified off-plane grating spectrograph design that will support high resolution (lambda/delta lambda similar to 4000) in the soft x-ray band with a high packing density that will enable a modest cost space mission. We discuss the design for the WHIMEx mission which was proposed as an Explorer earlier this year with the goal of detecting high temperature oxygen in the Intergalactic Medium.

引用

页数：8

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