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

Arcminute Cosmology Bolometer Array Receiver

Location(s)	Antarctic Treaty area
Coordinates	89°59′30″S 44°30′00″W
Wavelength	145 GHz (2.07 mm)
Telescope style	cosmic microwave background experiment radio telescope
Website	bolo.berkeley.edu/holzapfel_group/acbar/
Location of Arcminute Cosmology Bolometer Array Receiver
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The ACBAR 145 GHz measurements were the most precise high multipole measurements of the CMB at the time.

See also

• Cosmic microwave background experiments
• Observational cosmology

Further reading

• Reichardt, C. L.; et al. (2009). "High resolution CMB power spectrum from the complete ACBAR data set". The Astrophysical Journal. 694 (2): 1200–1219. arXiv:0801.1491. Bibcode:2009ApJ...694.1200R. doi:10.1088/0004-637X/694/2/1200.

External links

• ACBAR Homepage

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