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FREGATE, a gamma-ray spectrometer for HETE

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Abstract

The FREnch GAmma-ray TElescope (FREGATE) on board HETE, is aimed to provide accurate spectral information onγ-ray bursts at low energies. Four cleaved NaI crystals provide a good sensitivity between 5 keV and 400 keV. In this paper we describe the main characteristics of this instrument: its geometry, energy resolution, and sensitivity, as well as the modes of operation and the data recorded.

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Authors and Affiliations

  1. Centre d'Etude Spatiale des Rayonnements, BP 4346, 31029, Toulouse Cedex, France

    J -L. Atteia, M. Niel, M. Cassignol, F. Cotin, J. Couteret, M. Ehanno, J. Evrard, D. Lagrange, A. Lamy, J. Mainguene, J -F. Olive, G. Rouaix, P. Souleille & G. Vedrenne

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  1. J -L. Atteia
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  2. M. Niel
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  3. M. Cassignol
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  4. F. Cotin
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  5. J. Couteret
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  6. M. Ehanno
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  7. J. Evrard
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  8. D. Lagrange
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  9. A. Lamy
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  10. J. Mainguene
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  11. J -F. Olive
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  12. G. Rouaix
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  13. P. Souleille
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  14. G. Vedrenne
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Atteia, J.L., Niel, M., Cassignol, M. et al. FREGATE, a gamma-ray spectrometer for HETE. Astrophys Space Sci 231, 471–474 (1995). https://doi.org/10.1007/BF00658673

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  • DOI: https://doi.org/10.1007/BF00658673

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