Concepts for High-Performance Soft X-ray Grating Spectroscopy in a Moderate-Scale Mission

被引:8
作者
Bautz, Marshall W. [1 ]
Cash, Webster C. [2 ]
Davis, John E. [1 ]
Heilmann, Ralf K. [1 ]
Huenemoerder, David P. [1 ]
Schattenburg, Mark L. [1 ]
McEntaffer, Randall [3 ]
Smith, Randall [4 ]
Wolk, Scott J. [4 ]
Zhang, William W. [5 ]
Jordan, Steven P. [6 ]
Lillie, Charles F. [7 ]
机构
[1] MIT, Kavli Inst Astrophys & Space Res, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO USA
[3] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52243 USA
[4] Smithsonian Astrophys Observ, Cambridge, MA 02138 USA
[5] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[6] Ball Aerospace & Technol Corp, Boulder, CO 80301 USA
[7] Northrop Grumman Aerosp Syst, Redondo Beach, CA 90278 USA
来源
SPACE TELESCOPES AND INSTRUMENTATION 2012: ULTRAVIOLET TO GAMMA RAY | 2012年 / 8443卷
关键词
X-ray spectroscopy; gratings; high-energy astrophysics; space astronomy; HOT INTERGALACTIC MEDIUM; ABSORPTION; SPECTROMETER; CALIBRATION; ABSORBERS; LINES; GAS;
D O I
10.1117/12.926810
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
We discuss concepts for high-throughput (effective area 250-1400 cm(2)), high-resolution (spectral resolving power R > 3500) soft X-ray grating spectroscopy in missions of moderate (probe-class or smaller) scale. Such missions can achieve high-priority scientific objectives identified by the Astro2010 Decadal Survey attainable in no other way, and would provide an essential complement to any future large-area X-ray observatory equipped with non-dispersive spectrometers. We enumerate key science drivers and discuss consequences of various alternative design choices for scientific capability and overall mission size.
引用
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页数:9
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