Document Type

Article

Publication Date

8-27-1992

Publication Title

The Astrophysical Journal

Publisher

IOP Publishing

Abstract

The Oriented Scintillation Spectrometer Experiment 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 deg x 11.04 deg (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.

Comments

Additional authors: R.A. Kroeger, M.S. Strickman, J.E. Grove, D.A. Grabelsky, W.R. Purcell, M.P. Ulmer, R.A. Cameron, G.V. Jung

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