アタカマ大型ミリ波サブミリ波干渉計
The University of Tokyo Atacama Observatory (TAO) is an astronomical observatory located on the summit of Cerro Chajnantor, at an altitude of within a lava dome in the Atacama Desert of northern Chile. The site is located less than north-northeast of the Llano de Chajnantor Observatory, where the Atacama Large Millimeter Array (ALMA) is located, but is over higher in elevation.