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FREGATE observation of a strong burst from SGR1900+14
J-F. Olive, K. Hurley, J-P. Dezalay +7
After a long period of quiescence, the soft gamma repeater SGR1900+14 was suddenly reactivated on April 2001. On July 2, 2001, a bright flare emitted by this source triggerred the…
In-flight verification of the FREGATE spectral response
J-F. Olive, J-P. Dezalay, J-L. Atteia +6
We present the first results of the in-flight validation of the spectral response of the FREGATE X/gamma detectors on-board the HETE-2 satellite. This validation uses the Crab puls…
In flight performance and first results of FREGATE
J-L. Atteia, M. Boer, F. Cotin +16
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 t…
GRB010921: Localization and Observations by the HETE Satellite
G. Ricker, K. Hurley, D. Lamb +36
On September 21 at 18950.56 SOD (05:15:50.56) UT the FREGATE gamma-ray instrument on the High Energy Transient Explorer (HETE) detected a bright gamma-ray burst (GRB). The burst wa…