astronomy, detecting gamma rays from the first merger of two neutron stars observed in gravitational waves, and from a fast radio burst. By 2018, approximately 5,600 scientific papers had been published, averaging one every 29 hours since the launch. See also BOOTES List of X-ray space telescopes References External links INTEGRAL at ESA (archived in 2013) INTEGRAL overview at CNES (French Space Agency) Integral operations page at ESA. Says "the currently planned end of mission is December 2014" ! INTEGRAL at the ISDC (INTEGRAL Science Data Centre) INTEGRAL Mission Profile by NASA's Solar System Exploration NSSDC overview page SPI/INTEGRAL more information on SPI the spectrometer for INTEGRAL A Catalogue of INTEGRAL Sources INTEGRAL Sources identified through optical and near-infrared spectroscopy INTEGRAL article on eoPortal by ESA European Space Agency satellites Space telescopes X-ray telescopes Gamma-ray telescopes Spacecraft launched in 2002 Explorers Program