In-flight performance and first results of FREGATE

The gamma-ray detector of HETE-2, called FREGATE, has been designed to detect gamma-ray bursts in the energy range 6-400 keV. Its main task is to alert the other instruments of the occurrence of a gamma-ray burst (GRB) and to provide the spectral coverage of the GRB prompt emission in hard X-rays an...

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Main Authors: Atteia, J.-L., Boer, M, Cotin, F, Couteret, J, Dezalay, J.-P., Ehanno, M, Evrard, J, Lagrange, D, Niel, M, Olive, J.-F.
Format: Conference Proceeding
Language:English
Online Access:Get full text
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Summary:The gamma-ray detector of HETE-2, called FREGATE, has been designed to detect gamma-ray bursts in the energy range 6-400 keV. Its main task is to alert the other instruments of the occurrence of a gamma-ray burst (GRB) and to provide the spectral coverage of the GRB prompt emission in hard X-rays and soft gamma-rays. FREGATE was switched on on October 16, 2000, one week after the successful launch of HETE-2, and has been continuously working since then. We describe here the main characteristics of the instrument, its in-flight performance and we briefly discuss the first GRB observations.
ISSN:0094-243X