Arcminute Cosmology Bolometer Array Receiver

Arcminute Cosmology Bolometer Array Receiver
Location(s)Antarctic Treaty area
Coordinates89°59′30″S 44°30′00″W / 89.9917°S 44.5°W / -89.9917; -44.5
Wavelength145 GHz (2.07 mm)
Websitebolo.berkeley.edu/holzapfel_group/acbar/
Location of Arcminute Cosmology Bolometer Array Receiver

ACBAR was an experiment to measure the anisotropy of the Cosmic microwave background. It was active 2000-2008.

The ACBAR 145 GHz measurements were the most precise high multipole measurements of the CMB at the time.