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First season QUaD CMB temperature and polarization power spectra

Ade, Peter A R, Bock, J., Bowden, Melanie, Brown, M. L., Cahill, G., Carlstrom, J. E., Castro, P. G., Church, S., Culverhouse, T., Friedman, R., Ganga, K., Gear, Walter Kieran, Hinderks, J., Kovac, J., Lange, A. E., Leitch, E., Melhuish, Simon John, Murphy, J. A., Orlando, Angiola, Schwarz, R., O'Sullivan, C., Piccirillo, Lucio, Pryke, C., Rajguru, Nutan J., Rusholme, B., Taylor, Abigail Helen, Thompson, K. L., Wu, E. Y. S. and Zemcov, Michael 2008. First season QUaD CMB temperature and polarization power spectra. Astrophysical Journal 674 (1) , pp. 22-28. 10.1086/524922

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Abstract

QUaD is a bolometric CMB polarimeter sited at the South Pole, operating at frequencies of 100 and 150 GHz. In this paper we report preliminary results from the first season of operation (austral winter 2005). All six CMB power spectra are presented derived as cross spectra between the 100 and 150 GHz maps using 67 days of observation in a low foreground region of approximately 60 deg2. These data are a small fraction of the data acquired to date. The measured spectra are consistent with the ΛCDM cosmological model. We perform jackknife tests that indicate that the observed signal has negligible contamination from instrumental systematics. In addition, by using a frequency jackknife we find no evidence for foreground contamination.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: polarization
Publisher: IOP Publishing
ISSN: 0004-637X
Last Modified: 06 Sep 2019 23:48
URI: http://orca-mwe.cf.ac.uk/id/eprint/24363

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