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High-Resolution Observations of the Cosmic Microwave Background Power Spectrum with ACBAR

Kuo, C. L., Ade, Peter A. R., Bock, James J., Cantalupo, C., Daub, M. D., Goldstein, J., Holzapfel, W. L., Lange, A. E., Lueker, M., Newcomb, M., Peterson, J. B., Ruhl, J., Runyan, M. C. and Torbet, E. 2004. High-Resolution Observations of the Cosmic Microwave Background Power Spectrum with ACBAR. The Astrophysical Journal 600 (1) , pp. 32-51. 10.1086/379783

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Abstract

We report the first measurements of anisotropy in the cosmic microwave background (CMB) radiation with the Arcminute Cosmology Bolometer Array Receiver (ACBAR). The instrument was installed on the 2.1 m Viper telescope at the South Pole in 2001 January; the data presented here are the product of observations up to and including 2002 July. We present two deep differential maps produced by subtracting leading and trailing observations from the main field. The differential maps cover approximately 24 deg2 of sky selected for low dust contrast. These results represent the highest signal-to-noise ratio observations of CMB anisotropy to date; in the deepest 150 GHz band map, we reached an rms of ~8.0 ?K per 5' beam. The 3

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Uncontrolled Keywords: cosmic microwave background; cosmology: observations
ISSN: 0004-6256
Last Modified: 04 Jun 2017 01:40
URI: http://orca.cf.ac.uk/id/eprint/1531

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