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J. E. Grove (NRL), J. E. McEnery (GSFC), GLAST LAT Collaboration
The Large Area Telescope (LAT), under construction for launch by NASA in 2007 on the Gamma-ray Large-Area Space Telescope (GLAST) mission, will survey the sky in the energy range from 20 MeV to >300 GeV. The detector subsystems of the LAT -- a pair-conversion tracker, a scintillating crystal calorimeter, and a plastic scintillator anticoincidence shield -- will provide much greater angular resolution, effective area, and field of view for gamma rays than the highly successful EGRET detector on the Compton Gamma-Ray Observatory. The detector subsystems have been completed, integration of the LAT instrument is in its final stages, and a program of test data taking with the LAT has begun. Concurrently, an extensive program of science analysis software development is underway, driven by a series of data challenges that span from low-level event reconstruction through generation of astrophysically interesting quantities, e.g. spectra, lightcurves, sky maps, etc. Here we summarize the LAT integration status, test data taking -- including first photons -- and science tool preparation.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.