Peterson, J. B., Gomez, P. L., Romer, A. K., Ade, P. A. R., Bock, J J, Bond, J. R., Contaldi, C, Pogosyan, D, Cantalupo, C, Daub, M. D., Holzapfel, W. L., Lueker, M, Newcomb, M, Woolsey, D, Kuo, C. L., Lange, A. E., Runyan, M. C., Ruhle, J, Goldstein, J. H. and Torbet, E (2005) Imaging the Cosmic Microwave Background with the Arcminute Cosmology Bolometer Array Receiver. In: IAU Symposium No. 216, 14-17 July, 2003, held during the IAU General Assembly XXV in Sydney, Australia,.

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Abstract

Arcminute Cosmology Bolometer Array Receiver (Acbar) is a multifrequency millimeter-wave receiver optimized for observations of the Cosmic Microwave Background (CMB) and the Sunyaev-Zel'dovich (SZ) effect in clusters of galaxies. Acbar was installed on the 2.1 m Viper telescope at the South Pole in January 2001 and the results presented here incorporate data through July 2002. The power spectrum of the CMB at 150 GHz over the range ℓ=150 - 3000 measured by Acbar is presented along with estimates for the values of the cosmological parameters within the context of ΛCDM models. The inclusion of Ω_Λ greatly improves the fit to the power spectrum. Three-frequency images of the SZ decrement/increment are also presented for the galaxy cluster 1E0657-67.

Item Type:	Conference or Workshop Item (Paper)
Additional Information:	Published in: Maps of the Cosmos, Proceedings of IAU Symposium No. 216, held during the IAU General Assembly XXV in Sydney, Australia, 14-17 July, 2003. Edited by Matthew Colless, Lister Staveley-Smith and Raylee Stathakis. San Francisco: Astronomical Society of the Pacific, 2005.
Schools and Departments:	School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User:	Kathy Romer
Date Deposited:	06 Feb 2012 21:15
Last Modified:	04 Apr 2012 16:09
URI:	http://sro.sussex.ac.uk/id/eprint/30502

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