Astronomy and Astrophysics – Astronomy
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aipc..186..266s&link_type=abstract
IN: High-energy radiation background in space (A90-25305 09-93). New York, American Institute of Physics, 1989, p. 266-277.
Astronomy and Astrophysics
Astronomy
3
Atmospheric Radiation, Background Radiation, Gamma Ray Spectrometers, Satellite-Borne Instruments, Solar Maximum Mission, Gamma Ray Astronomy, Radioactive Decay, Radioactive Isotopes, Satellite Observation, Temporal Distribution
Scientific paper
Preliminary identifications of instrumental and atmospheric background lines detected by the gamma-ray spectrometer on NASA's Solar Maximum Mission satellite (SMM) are presented. The long-term and stable operation of this experiment has provided data of high quality for use in this analysis. Methods are described for identifying radioactive isotopes which use their different decay times. Temporal evolution of the features are revealed by spectral comparisons, subtractions, and fits. An understanding of these temporal variations has enabled the data to be used for detecting celestial gamma-ray sources.
Chupp Edward L.
Kinzer Robert L.
Letaw John R.
Share Gerald H.
Strickman Mark S.
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