SIGMA space telescope is devoted entirely to the high energy astronomy.
Scientific objectives of the mission are :
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Imaging ot the sky in the energy range 35 keV to 1.3 MeV.
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Temporal and spectral analysis of localised gamma-ray sources in the same energy range.
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Temporal and spectral analysis of gamma-ray bursts in the energy range 200 keV to 15 MeV.
The telescope has been constructed by two French laboratories :
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The (CESR-CNRS/UPS) in Toulouse,
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The (SAp/DAPNIA/DSM/CEA) in Saclay,
Both under contract to the CNES
Further reading : Publications