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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.
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

vte

Cosmic microwave background radiation (CMB)

Discovery of CMB radiation Timeline of CMB astronomy

Effects

Cosmic variance Silk damping Recombination Sachs–Wolfe effect Sunyaev–Zel'dovich effect Thomson scattering


9-year WMAP image (2012) of the CMB.
9-year WMAP image (2012) of the CMB.
Experiments
Space

COBE LiteBIRD Planck RELIKT-1 WMAP

Balloon

Archeops ARCADE BOOMERanG LSPE/SWIPE EBEX MAXIMA QMAP Spider TopHat

Ground

ABS ACBAR ACT AMI AMiBA APEX ATCA BICEP (1,2,3,Array) BIMA CAPMAP CAT CBI CLASS COSMOSOMAS DASI GroundBIRD Keck Array LSPE/STRIP MAT OVRO POLARBEAR QUaD QUBIC QUIET QUIJOTE Saskatoon SPT SZA Tenerife VSA

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