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Proceedings Paper

The milli-arc-second structure imager (MASSIM): a new concept for a high angular resolution x-ray telescope
Author(s): G. K. Skinner; Z. Arzoumanian; W. C. Cash; N. Gehrels; K. C. Gendreau; P. Gorenstein; J. F. Krizmanic; M. C. Miller; J. D. Phillips; R. D. Reasenberg; C. S. Reynolds; R. M Sambruna; R. E. Streitmatter; D. L. Windt
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Paper Abstract

MASSIM, the Milli-Arc-Second Structure Imager, is a mission that has been proposed for study within the context of NASA's Astrophysics Strategic Mission Concept Studies program. It uses a set of achromatic diffractive-refractive Fresnel lenses on an optics spacecraft to focus 5-11 keV X-rays onto detectors on a second spacecraft flying in formation 1000 km away. It will have a point-source sensitivity comparable with that of the current generation of major X-ray observatories (Chandra, XMM-Newton) but an angular resolution some three orders of magnitude better. MASSIM is optimized for the study of jets and other phenomena that occur in the immediate vicinity of black holes and neutron stars. It can also be used for studying other astrophysical phenomena on the milli-arc-second scale, such as those involving proto-stars, the surfaces and surroundings of nearby active stars and interacting winds. We describe the MASSIM mission concept, scientific objectives and the trade-offs within the X-ray optics design. The anticipated performance of the mission and possible future developments using the diffractive-refractive optics approach to imaging at X-ray and gamma-ray energies are discussed.

Paper Details

Date Published: 15 July 2008
PDF: 11 pages
Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70110T (15 July 2008); doi: 10.1117/12.789568
Show Author Affiliations
G. K. Skinner, CRESST (United States)
Univ. of Maryland, College Park (United States)
NASA Goddard Space Flight Ctr. (United States)
Z. Arzoumanian, CRESST (United States)
NASA Goddard Space Flight Ctr. (United States)
USRA (United States)
W. C. Cash, Univ. of Colorado, Boulder (United States)
N. Gehrels, NASA Goddard Space Flight Ctr. (United States)
K. C. Gendreau, NASA Goddard Space Flight Ctr. (United States)
P. Gorenstein, Smithsonian Astrophysical Observatory (United States)
J. F. Krizmanic, CRESST (United States)
NASA Goddard Space Flight Ctr. (United States)
USRA (United States)
M. C. Miller, Univ. of Maryland, College Park (United States)
J. D. Phillips, Smithsonian Astrophysical Observatory (United States)
R. D. Reasenberg, Smithsonian Astrophysical Observatory (United States)
C. S. Reynolds, Univ. of Maryland, College Park (United States)
R. M Sambruna, NASA Goddard Space Flight Ctr. (United States)
R. E. Streitmatter, NASA Goddard Space Flight Ctr. (United States)
D. L. Windt, Reflective X-ray Optics, LLC (United States)


Published in SPIE Proceedings Vol. 7011:
Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray
Martin J. L. Turner; Kathryn A. Flanagan, Editor(s)

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