Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1159..344s&link_type=abstract
IN: EUV, X-ray, and gamma-ray instrumentation for astronomy and atomic physics; Proceedings of the Meeting, San Diego, CA, Aug.
Astronomy and Astrophysics
Astrophysics
Gamma Rays, Imaging Techniques, Performance Tests, Astrophysics, Balloon-Borne Instruments, Cosmic Rays, Galactic Clusters, Gamma Ray Spectra, Hardware, Systems Engineering
Scientific paper
A balloon experiment, GRATIS, is being constructed which will perform the first arcmin imaging of cosmic sources in the 30 - 200 keV energy band. Observations conducted with GRATIS can provide data relevant to several key problems in high energy astrophysics, including the physical processes responsible for the high energy tail observed in the soft gamma-ray spectra of clusters of galaxies and the origin of both the diffuse and point-source components of the gamma-ray emission from the Galactic Center. This paper discusses the scientific motivations in detail, outlines the experiment, discusses several aspects of the design and construction of hardware components, gives an overview of the stabilized platform, and shows the expected performance and sensitivity.
Hailey Charles J.
Harrison Fiona A.
Lubin Philip
Seiffert Michael
Ziock Klaus-Peter
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