Computer Science – Performance
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.356....5g&link_type=abstract
In ESA, Proceedings of an ESA Symposium on Photon Detectors for Space Instrumentation p 5-11 (SEE N94-15025 03-19)
Computer Science
Performance
Gamma Ray Astronomy, Gamma Ray Spectrometers, Germanium, Line Spectra, Spaceborne Astronomy, Spacecraft Instruments, Background Radiation, Design Analysis, Energy Bands, Performance Tests, Technology Assessment
Scientific paper
A new generation of astrophysical gamma ray spectrometers employing germanium solid state detectors for precise energy measurement are currently being planned for spaceflight in the late 1990's and the early 21st century. Because the observations of weak celestial sources are carried out in an intense radiation environment, the key objective of instrument design is to find ways to reduce the background. The current state of the knowledge in this field is reviewed and the new hardware techniques under design and test are discussed. Many of these techniques have already been flight tested on balloon platforms. Recent results from some of these tests are presented. By carefully applying these techniques it should be possible to achieve sensitivities that are factors of 3 to 10 better than would be obtained for a conventional instrument of similar weight.
Cheung Cynthia
Gehrels Neil
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