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.

[edit] External links

• Cosmic Anisotropy Telescope (CAT) online
• The first detection of small-scale structure in the cosmic microwave background
• Press release from 1995 describing first measurements of small-scale structure in the cosmic microwave background
• The CAT enclosure on Google Maps

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v • d • e Cosmic microwave background radiation (CMB) Discovery of CMB radiation · List of CMB experiments · Timeline of CMB astronomy Effects Sachs–Wolfe · Sunyaev–Zel'dovich Full-sky temperature map taken by NASA's Wilkinson Microwave Anisotropy Probe (WMAP) Space-based experiments RELIKT-1 · COBE · WMAP · Planck · SPOrt  · CMBPol Balloon experiments QMAP · MAXIMA · BOOMERanG · Archeops · Spider · EBEX Ground-based experiments Saskatoon · MAT · COSMOSOMAS · Tenerife Experiment · DASI · CBI · CAT · ACBAR · CAPMAP · VSA · QUaD · SPT · SZA · ACT · AMI · Clover  · QUIET · AMiBA · OCRA · QUIJOTE · APEX-SZ · ABS · OVRO · BIMA · GUBBINS

Coordinates: 52°09′58″N 0°02′02″E / 52.166°N 0.034°E / 52.166; 0.034