International Gamma-Ray Astrophysics Laboratory

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An ESA gamma-ray astronomy satellite launched in 2002 October. INTEGRAL carries two main instruments: an imager, IBIS, sensitive to the energy range 15 keV to 10 MeV (4 × 10−5 to 0.03 nm) with a resolution of 30 arc seconds; and a spectrometer, SPI, to measure gamma-ray energies over the range 20 keV to 8 MeV. Two other instruments, an X-ray monitor ( JEM-X) and an Optical Monitoring Camera (OMC), help to identify the gamma-ray sources detected. The imager, spectrometer, and X-ray monitor all use coded-mask telescopes.

http://sci.esa.int/science-e/www/area/index.cfm?fareaid=21 ESA mission website.

Subjects: Astronomy and Astrophysics.

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