NASA NTRS · 19850024736
A balloon-borne imaging gamma-ray telescope
Abstract
A balloon-borne coded-aperture gamma-ray telescope for galactic and extragalactic astronomy observations is described. The instrument, called GRIP (Gamma Ray Imaging Payload), is designed for measurements in the energy range from 30 keV to 5 MeV with an angular resolution of 0.6 deg over a 20 deg field of view. Distinguishing characteristics of the telescope are a rotating hexagonal coded-aperture mask and a thick NaI scintillation camera. Rotating hexagonal coded-apertures and the development of thick scintillation cameras are discussed.
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Althouse, W. E., Cook, W. R., Cummings, A. C., Finger, M. H., Prince, T. A., Schindler, S. M., Starr, C. H., Stone, E. C.. 1985-01-01. A balloon-borne imaging gamma-ray telescope. https://ntrs.nasa.gov/citations/19850024736
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