Astrophysics (Index)About

Cosmic Background Imager

(radio telescope in Chile observing the CMB)

The Cosmic Background Imager (CBI) was a microwave telescope at the Llano de Chajnantor Observatory in the Atacama Desert in Chile, aimed at studying the cosmic microwave background (CMB). It was an interferometer with thirteen antennas in a close-packed array. It was in operation from 1999 to 2008.

Further reading:
8.4mm36GHz149μeVbeginCosmic Background Imager
12mm26GHz108μeVendCosmic Background Imager

Referenced by page:
Llano de Chajnantor Observatory