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Proceedings Paper

High Resolution Large Area Modular Array Of Reflectors (LAMAR) Wolter Type I X-Ray Telescope For Spacelab
Author(s): R. C. Catura; L. W. Acton; W. A. Brown; C. W. Gilbreth; L. A. Springer; J. R. Vieira; J. L. Culhane; I. W. Mason; O. Siegmund; T. J. Patrick; P. H. Sheather; K. A. Pounds; B. A. Cooke; K. Evans; J. Pye; G. Smith; A. Wells; J. E. Spragg; C. H. Whitford; A. Franks; B. Gale; K. Lindsey; M. Stedman; G. Garmire; B. Margon; A. Fabian
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Paper Abstract

A Wolter type I X-ray telescope, intended both for astronomical observations and to serve as a prototype module for the Large Area Modular Array of Reflectors (LAMAR) mission, is now in definition study under NASA's Spacelab program. The 5 mirror telescope presently being designed is to have a,blur circle radius of 20 arc sec rd an effective area of about 400 cm at 1/4 keV, 200 cm4 in the 0.5-2 keV range and 50 cm between 2 and 5 keV. Future expansion to a full 10 mirror telescope will approximately double these effective areas. A rotary interchange mechanism will allow either of two imaging proportional counters (IPCs) to be placed at the telescope focus; one operating between 0.15 and 2 keV and the other optimized for the 0.6 - 6 keV energy range. During flight, the telescope will utilize an instrument pointing system for a series of observations lasting from 6 minutes to several hours. This investigation has dual objectives: the primary objective is scientific and involves observational study of galactic and extragalactic X-ray sources, extending the work of the Einstein Observatory to much fainter sources and to higher energies. The second objective is to provide an assessment of the cost and improved performance of utilizing Wolter Type I X-ray optics for the LAMAR mission and to extend the technology for producing these optics to still higher angular resolution and toward lower cost.

Paper Details

Date Published: 1 February 1982
PDF: 12 pages
Proc. SPIE 0284, NASA-ESA Spacelab Systems and Programs, (1 February 1982); doi: 10.1117/12.965784
Show Author Affiliations
R. C. Catura, Lockheed Palo Alto Research Laboratory (United States)
L. W. Acton, Lockheed Palo Alto Research Laboratory (United States)
W. A. Brown, Lockheed Palo Alto Research Laboratory (United States)
C. W. Gilbreth, Lockheed Palo Alto Research Laboratory (United States)
L. A. Springer, Lockheed Palo Alto Research Laboratory (United States)
J. R. Vieira, Lockheed Palo Alto Research Laboratory (United States)
J. L. Culhane, Mullard Space Science Laboratory (UK)
I. W. Mason, Mullard Space Science Laboratory (UK)
O. Siegmund, Mullard Space Science Laboratory (UK)
T. J. Patrick, Mullard Space Science Laboratory (UK)
P. H. Sheather, Mullard Space Science Laboratory (UK)
K. A. Pounds, Univ. of Leicester (UK)
B. A. Cooke, Univ. of Leicester (UK)
K. Evans, Univ. of Leicester (UK)
J. Pye, Univ. of Leicester (UK)
G. Smith, Univ. of Leicester (UK)
A. Wells, Univ. of Leicester (UK)
J. E. Spragg, Univ. of Leicester (UK)
C. H. Whitford, Univ. of Leicester (UK)
A. Franks, National Physical Laboratory (UK)
B. Gale, National Physical Laboratory (UK)
K. Lindsey, National Physical Laboratory (UK)
M. Stedman, National Physical Laboratory (UK)
G. Garmire, Penn State Univ. (United States)
B. Margon, Univ. of Washington (United States)
A. Fabian, Univ. of Cambridge (UK)

Published in SPIE Proceedings Vol. 0284:
NASA-ESA Spacelab Systems and Programs
Jesse W. Moore, Editor(s)

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