The Oriented Scintillation Spectrometer Experiment (OSSE) on the Arthur Holly Compton Gamma Ray Observatory satellite uses four actively shielded NaI (Tl) -CsI (Na) phoswich detectors to provide gamma-ray line and continuum detection capability in the 0.05-10 MeV energy range. The instrument includes secondary capabilities for gamma-ray and neutron detection between 10 and 250 MeV. The detectors have 3°.8 × 11°.4 (FWHM) fields of view defined by tungsten collimators. Each detector has an independent, single-axis orientation system which permits offset pointing from the spacecraft Z-axis for background measurements and multitarget observations. The instrument, and its calibration and performance, are described.
- Artificial satellites, space probes
- Gamma rays: Observations
- Instrumentation: Detectors
- Instrumentation: Spectrographs
ASJC Scopus subject areas
- Astronomy and Astrophysics
- Space and Planetary Science