SMALL ANGULAR SCALE MEASUREMENTS OF THE COSMIC MICROWAVE BACKGROUND TEMPERATURE POWER SPECTRUM FROM QUaD

被引：30

作者：

Friedman, R. B. ^{[1
]}

Ade, P. ^{[2
]}

Bock, J. ^{[3
,4
]}

Bowden, M. ^{[2
,5
]}

Brown, M. L. ^{[6
]}

Cahill, G. ^{[7
]}

Castro, P. G. ^{[8
]}

Church, S. ^{[5
]}

Culverhouse, T. ^{[1
]}

Ganga, K. ^{[9
]}

Gear, W. K. ^{[2
]}

Gupta, S. ^{[2
]}

Hinderks, J. ^{[5
]}

Kovac, J. ^{[4
]}

Lange, A. E. ^{[4
]}

Leitch, E. ^{[3
,4
]}

Melhuish, S. J.

Memari, Y. ^{[8
]}

Murphy, J. A. ^{[7
]}

Orlando, A. ^{[2
,4
]}

O' Sullivan, C. ^{[7
]}

Piccirillo, L.

Pryke, C. ^{[1
]}

Rajguru, N. ^{[2
]}

Rusholme, B. ^{[5
]}

Schwarz, R. ^{[1
]}

Taylor, A. N. ^{[8
]}

Thompson, K. L. ^{[5
]}

Turner, A. H. ^{[2
]}

Wu, E. Y. S. ^{[5
]}

Zemcov, M. ^{[2
,3
,4
]}

机构：

[1] Univ Chicago, Kavli Inst Cosmol Phys, Dept Astron & Astrophys, Enrico Fermi Inst, Chicago, IL 60637 USA

[2] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[4] CALTECH, Pasadena, CA 91125 USA

[5] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA

[6] Univ Cambridge, Cavendish Lab, Cambridge CB3 OHE, England

[7] Natl Univ Ireland Maynooth, Dept Expt Phys, Maynooth, Kildare, Ireland

[8] Univ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[9] Univ Paris 07, APC, CNRS, F-75205 Paris 13, France

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2009年 / 700卷 / 02期

基金：

英国科学技术设施理事会; 美国国家科学基金会;

关键词：

cosmic microwave background; cosmology: observations; SOURCE CATALOG; PROBE; PARAMETERS; SKY;

D O I：

10.1088/0004-637X/700/2/L187

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present measurements of the cosmic microwave background (CMB) radiation temperature anisotropy in the multipole range 2000 < l < 3000 from the QUaD telescope's second and third observing seasons. After masking the brightest point sources our results are consistent with the primary Lambda CDM expectation alone. We estimate the contribution of residual (un-masked) radio point sources using a model calibrated to our own bright source observations, and a full simulation of the source finding and masking procedure. Including this contribution slightly improves the chi(2). We also fit a standard Sunyaev-Zel'dovich (SZ) template to the bandpowers and see no strong evidence of an SZ contribution, which is as expected for sigma(8) approximate to 0.8.

引用

页码：L187 / L191

页数：5

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