The Granat Satellite
2 keV - 100 MeV GRANAT was a Russian dedicated X-ray/gamma ray
astronomy mission in collaboration with other European countries.
Launched on 1 December
1989, Granat operated for almost 9 years.
After an initial
period of pointed observations, Granat went into survey mode in September
December 1, 1989 - November 27, 1998 Lifetime
Coded-mask X-ray telescope (SIGMA)
0.03-1.3 MeV, eff. area 800 cm 2, FOV 5°x5°
Coded-mask X-ray telescope (ART-P)
4-60 keV, eff. area 1250 cm 2, FOV 1.8°x1.8°
X-ray proportional counter spectrometer (ART-S)
3-100 keV, eff. area 2400 cm 2 at 10 keV, FOV 2°x2°
All-sky monitor (WATCH)
6-120 keV, eff. area 45 cm 2, FOV All-sky
Gamma-ray burst experiment (PHEBUS)
0.1-100 MeV, 6 units of 100 cm 2 each, FOV All-sky
Gamma-ray burst experiment (KONUS-B)
0.02-8 MeV, 7 units of 315 cm 2 each, FOV All-sky
Gamma-ray burst experiment (TOURNESOL)
0.002-20 MeV), FOV 5°x5°
A very deep (more than 5 million sec.) imaging of the galactic center
Discovery of electron-positron annihilation lines from the Galactic
"micro-quasar" 1E1740-294 and the X-ray Nova Muscae.
Study of spectra and time variability of black hole candidates.
: PHEBUS Gamma-Ray Burst Catalog
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