Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982itns...29..155m&link_type=abstract
(University of California, Stanford University, U.S. Department of Energy, and National Bureau of Standards, Nuclear Science Sym
Astronomy and Astrophysics
Astronomy
20
Gamma Ray Telescopes, Image Enhancement, Imaging Techniques, Apertures, Arrays, Coding, Computerized Simulation, Gamma Ray Astronomy
Scientific paper
A gamma ray telescope is being developed to operate in the energy range 100 keV to 5 MeV, utilizing coded aperture imaging. The design incorporates a mask pattern based on a Uniformly Redundant Array (URA), which has been shown to have ideal imaging characteristics. A mask-anti-mask procedure is used to eliminate the effects of any possible systematic variations in detector background rates. The detector array is composed of 35 elements of the high-Z material Bismuth Germanate (BGO). Results of laboratory testing of the imaging properties will be presented. A southern hemisphere balloon flight is planned for 1982 with the goal of observing the 0.511 MeV radiation from the Galactic Center. Computer calculations show that a point source of this radiation can be located to within + or - 1 deg.
Chupp Edward L.
Dunphy Philip P.
Forrest David J.
McConnell Mark L.
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