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European gamma ray astronomy satellite. INTEGRAL (INTErnational Gamma Ray Astrophysics Laboratory) was a European (ESA) astrophysics satellite. The four-ton (with fuel) cylindrical (5 m height and 3. Astronomy, Gamma satellite built by Alenia Spazio for ESA, Europe. Launched 2002.

Status: Operational 2002. First Launch: 2002-10-17. Last Launch: 2002-10-17. Number: 1 . Gross mass: 4,100 kg (9,000 lb).

7 m diameter) satellite was equipped with two tons of instruments to monitor gamma rays, x-rays, and visible light--the gamma ray emitters being of primary interest.

The satellite was equipped with the following instruments:

NASA NSSDC Master Catalog Description

The International Gamma-Ray Astrophysics Laboratory (INTEGRAL) is a European Space Agency (ESA) mission designed to study celestial gamma-ray sources in the 15 keV to 10 MeV energy range. The primary INTEGRAL science payload consists of a gamma ray spectrometer (SPI) operating over 20 keV-8 MeV, a gamma ray imager (IBIS) operating over 15 keV-10 MeV, an X-ray monitor (JEM-X) operating in the 3-35 keV band, and an Optical Monitoring Camera (OMC) operating at 550 nm.

The spacecraft was launched on October 17, 2002 into a 66 hr., 639 x 153,000 km orbit at 51.7 degrees inclination. The mission is scheduled to last 2 years, and up to 5 years is possible. The spacecraft is three-axis stabilized with an absolute pointing error of 5 (y,z) to 15 (x) arcmin and an absolute measurement error of 1 (y,z) to 3 (x) arcmin. The spacecraft with solar panels stowed is roughly 3 x 4 x 5 m in size with a mass of about 4000 kg, 520 kg of that being hydrazine fuel. Science telemetry will be transmitted in S-band at 86 kbit/s to ground stations in Redu (Belgium) and Goldstone (US).


More at: Integral.

Family: Astronomy, Gamma ray astronomy satellite. Country: Europe. Launch Vehicles: Proton, Proton-K/17S40. Launch Sites: Baikonur, Baikonur LC200/39. Bibliography: 2, 3813, 552, 554, 6591, 12660.

2002 October 17 - . 04:41 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton-K/17S40.

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