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A Maskless Gamma-Ray All-Sky Imager: BATSE/CGRO (1994)

Harmon, B. A. ; Rubin, B. C. ; Paciesas, W. S. ; [et al.]

In: CASI

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Publication Date: 2019-07-13

Description: The non-collimated detectors of BATSE (Burst And Transient Source Experiment) on the Compton Gamma Ray Observatory (CGRO) can be used as a high sensitivity hard X-ray and low energy gamma-ray all-sky imager in the energy range between 20 keV and 2 MeV. The fluxes from sources in the sky are modulated as the spacecraft orbits the Earth. The CGRO orbital precession further allows sampling of sky in strips corresponding to the limb of the earth at any given time. The modulation data are transformed into images by various reconstruction methods. High sensitivity images of location accuracy of about 0.1 deg and source seperation of about 1 deg are obtained.

Keywords: Astronomy

Type: NASA-CR-204027 , NAS 1.26:204027 , IEEE Transactions on Nuclear Science (ISSN 0018-9499); 41; 4; 1313-1320

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