University of Tokyo Atacama Observatory
LocationChile
Year2024
Size6.5 m mirror
OperatorUniversity of Tokyo
About University of Tokyo Atacama Observatory
The highest infrared observatory in the world, perched at 5,640 m on the summit of Cerro Chajnantor. Construction and maintenance crews work with bottled oxygen. The 6.5 m telescope observes in the mid-infrared above more than half the atmospheric water vapor. A trailblazer for extreme altitude astronomy.
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