Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...181.4601m&link_type=abstract
American Astronomical Society, 181st AAS Meeting, #46.01; Bulletin of the American Astronomical Society, Vol. 24, p.1194
Astronomy and Astrophysics
Astronomy
Scientific paper
The Oriented Scintillation Spectrometer Experiment (OSSE) is one of four instruments on board NASA's Arthur Holly Compton Observatory. The OSSE instrument, developed at the Naval Research Laboratory, consists of 4 large, actively-shielded NaI(Tl)--CsI(Na) phoswich detectors each capable of independent orientations. Each detector has a 3.8deg times 11.4deg (FWHM) field of view defined by a passive tungsten collimator. OSSE measures gamma-ray line and continuum spectra in the 0.05 -- 10 MeV energy range, with timing resolution of up to 125 mu sec for variable sources. A summary of the various OSSE data acquisition modes and data product types will be presented. Data analysis techniques will be described, together with examples of such techniques using data reduction and analysis tools in the IGORE (Interactive GRO/OSSE Reduction Environment) software package that have been developed for the processing and analysis of OSSE data. IGORE runs on a VAX/VMS system in an IDL environment. Viewing support and observation planning tools will also be described as well as related instrument and spacecraft observation constraints. OSSE data products and the IGORE analysis software package will be archived at the Compton Observatory Science Support Center (COSSC) at NASA's Goddard Space Flight Center in Greenbelt, MD. The availability of data products and procedures for their access at the COSSC and NRL will be presented. The COSSC facilities can be utilized locally at GSFC or remotely over the Internet and SPAN/DECnet computer networks.
Cameron Robert A.
Grabelsky David Andrew
Johnson Neil W.
Kroeger Richard A.
Kurfess James D.
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