Definition of Anglo-australian telescope

The Anglo-Australian Telescope (AAT) is a 3.9 m equatorially mounted telescope operated by the Anglo-Australian Observatory and situated at the Siding Spring Observatory, Australia at an altitude of a little over 1100 m. It is jointly funded by the  United Kingdom and Australia, with observing time made available to astronomers worldwide. It is equipped with a number of instruments, including the Two Degree Field facility (2dF), a robotic optical fiber positioner for obtaining spectroscopy of up to 400 objects over a 2° field of view simultaneously; the University College London Échelle Spectrograph (UCLES), a high-resolution optical spectrograph which has been used to discover many extrasolar planets; and IRIS2, a wide-field infrared camera and spectrograph.