![]() | Home | Bursts | Publications | Ops & Status | Goals | Team | History | Spacecraft | Instruments | Ground | Alerts | FAQ | Gallery |
FREGATE | WXM | SXC | Optical |
The design of the French Gamma Telescope (FREGATE) is based on that of the successful gamma-ray burst experiment LILAS on board the Russian Phobos mission. Its prime objectives are the detection and spectroscopy of gamma-ray bursts and the monitoring of variable X-ray sources.
![]() magnify |
Two of the gamma detectors are seen right of center. |
Built by | Centre d'Etudes de Spatiales Rayonnements (CESR, France) |
Instrument type | NaI(TI); cleaved |
Energy Range | 6 to 400 keV |
Timing Resolution | 10 microseconds |
Spectral Resolution | ~25% @ 20 keV ~9% @ 662 keV |
Effective Area | 120 cm2 |
Sensitivity (10 sigma) | 3x10-8 erg cm-2s-1, over 8 keV-1 MeV |
Field of View | 3 steradians |