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Proceedings Paper

Developments of the off-plane x-ray grating spectrometer for IXO
Author(s): R. L. McEntaffer; N. J. Murray; A. D. Holland; J. Tutt; S. J. Barber; R. Harriss; T. Schultz; S. Casement; C. Lillie; D. Dailey; T. Johnson; R. Danner; W. Cash; B. Zeiger; A. Shipley; M. Page; D. Walton; P. Pool; J. Endicott; D. Willingale
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Paper Abstract

The International X-ray Observatory (IXO) is a collaborative effort between NASA, ESA, and JAXA. The IXO science goals are heavily based on obtaining high quality X-ray spectra. In order to achieve this goal the science payload will incorporate an array of gratings for high resolution, high throughput spectroscopy at the lowest X-ray energies, 0.3 - 1.0 keV. The spectrometer will address a number of important astrophysical goals such as studying the dynamics of clusters of galaxies, determining how elements are created in the explosions of massive stars, and revealing most of the "normal" matter in the universe which is currently thought to be hidden in hot filaments of gas stretching between galaxies. We present here a mature design concept for an Off-Plane X-ray Grating Spectrometer (OP-XGS). This XGS concept has seen recent significant advancements in optical and mechanical design. We present here an analysis of how the baseline OP-XGS design fulfills the IXO science requirements for the XGS and the optical and mechanical details of this design.

Paper Details

Date Published: 29 July 2010
PDF: 13 pages
Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77321K (29 July 2010); doi: 10.1117/12.857460
Show Author Affiliations
R. L. McEntaffer, The Univ. of Iowa (United States)
N. J. Murray, The Open Univ. (United Kingdom)
A. D. Holland, The Open Univ. (United Kingdom)
J. Tutt, The Open Univ. (United Kingdom)
S. J. Barber, The Open Univ. (United Kingdom)
R. Harriss, The Open Univ. (United Kingdom)
T. Schultz, The Univ. of Iowa (United States)
S. Casement, Northrop Grumman Aerospace Systems (United States)
C. Lillie, Northrop Grumman Aerospace Systems (United States)
D. Dailey, Northrop Grumman Aerospace Systems (United States)
T. Johnson, Northrop Grumman Aerospace Systems (United States)
R. Danner, Northrop Grumman Aerospace Systems (United States)
W. Cash, Univ. of Colorado at Boulder (United States)
B. Zeiger, Univ. of Colorado at Boulder (United States)
A. Shipley, Univ. of Colorado at Boulder (United States)
M. Page, Univ. College London (United Kingdom)
D. Walton, Univ. College London (United Kingdom)
P. Pool, e2v technologies plc (United Kingdom)
J. Endicott, e2v technologies plc (United Kingdom)
D. Willingale, Univ. of Leicester (United Kingdom)


Published in SPIE Proceedings Vol. 7732:
Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray
Monique Arnaud; Stephen S. Murray; Tadayuki Takahashi, Editor(s)

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