Cosmic Anisotropy Telescope

The Cosmic Anisotropy Telescope (CAT) was a three-element interferometer for cosmic microwave background radiation (CMB/R) observations at 13 to 17 GHz, based at the Mullard Radio Astronomy Observatory. In 1995, it was the first instrument to measure small-scale structure in the cosmic microwave background. When the more sensitive Very Small Array came online, the CAT telescope was decommissioned in a ceremonial bonfire.

Cosmic Anisotropy Telescope
Location(s)United Kingdom
Coordinates52°09′58″N 0°02′02″E
Telescope stylecosmic microwave background experiment
radio telescope 
Location of Cosmic Anisotropy Telescope
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