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29 March 2024
 
  » arxiv » astro-ph/0102386

 Article overview


Gamma-Ray Imaging with the Coded Mask IBIS Telescope
A. Goldwurm ; P. Goldoni ; A. Gros ; J. Stephen ; L. Foschini ; F. Gianotti ; L. Natalucci ; G. De Cesare ; M. Del Santo ;
Date 22 Feb 2001
Subject astro-ph
Affiliation SAp/DAPNIA/CEA Saclay, ITeSRE/CNR Bologna, IAS/CNR Roma
AbstractThe IBIS telescope onboard INTEGRAL, the ESA gamma-ray space mission to be launched in 2002, is a soft gamma-ray (20 keV - 10 MeV) device based on a coded aperture imaging system. We describe here basic concepts of coded masks, the imaging system of the IBIS telescope, and the standard data analysis procedures to reconstruct sky images. This analysis includes, for both the low-energy detector layer (ISGRI) and the high energy layer (PICSIT), iterative procedures which decode recorded shadowgrams, search for and locate sources, clean for secondary lobes, and then rotate and compose sky images. These procedures will be implemented in the Quick Look and Standard Analysis of the INTEGRAL Science Data Center (ISDC) as IBIS Instrument Specific Software.
Source arXiv, astro-ph/0102386
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