A MEASUREMENT OF SECONDARY COSMIC MICROWAVE BACKGROUND ANISOTROPIES FROM THE 2500 SQUARE-DEGREE SPT-SZ SURVEY

被引：191

作者：

George, E. M. ^{[1
,2
]}

Reichardt, C. L. ^{[1
,3
]}

Aird, K. A. ^{[4
]}

Benson, B. A. ^{[5
,6
,7
]}

Bleem, L. E. ^{[6
,8
,9
]}

Carlstrom, J. E. ^{[5
,6
,8
,9
,10
]}

Chang, C. L. ^{[6
,9
,10
]}

Cho, H-M. ^{[11
]}

Crawford, T. M. ^{[5
,6
]}

Crites, A. T. ^{[5
,6
,12
]}

de Haan, T. ^{[13
]}

Dobbs, M. A. ^{[13
]}

Dudley, J. ^{[13
]}

Halverson, N. W. ^{[14
,15
]}

Harrington, N. L. ^{[1
]}

Holder, G. P. ^{[13
]}

Holzapfel, W. L. ^{[1
]}

Hou, Z. ^{[16
]}

Hrubes, J. D. ^{[4
]}

Keisler, R. ^{[6
,8
,17
,18
]}

Knox, L. ^{[16
]}

Lee, A. T. ^{[1
,19
]}

Leitch, E. M. ^{[5
,6
]}

Lueker, M. ^{[12
]}

Luong-Van, D. ^{[4
]}

McMahon, J. J. ^{[20
]}

Mehl, J. ^{[6
,9
]}

Meyer, S. S. ^{[5
,6
,8
,10
]}

Millea, M. ^{[16
]}

Mocanu, L. M. ^{[5
,6
]}

Mohr, J. J. ^{[2
,21
,22
]}

Montroy, T. E. ^{[23
]}

Padin, S. ^{[5
,6
,12
]}

Plagge, T. ^{[5
,6
]}

Pryke, C. ^{[24
]}

Ruhl, J. E. ^{[23
]}

Schaffer, K. K. ^{[6
,10
,25
]}

Shaw, L. ^{[13
]}

Shirokoff, E. ^{[5
,6
]}

Spieler, H. G. ^{[19
]}

Staniszewski, Z. ^{[23
]}

Stark, A. A. ^{[26
]}

Story, K. T. ^{[6
,8
]}

van Engelen, A. ^{[13
]}

Vanderlinde, K. ^{[27
,28
]}

Vieira, J. D. ^{[29
,30
]}

Williamson, R. ^{[5
,6
]}

Zahn, O. ^{[31
,32
]}

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[3] Univ Melbourne, Sch Phys, Parkville, Vic 3010, Australia

[4] Univ Chicago, Chicago, IL 60637 USA

[5] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

[6] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[7] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[8] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[9] Argonne Natl Lab, Argonne, IL 60439 USA

[10] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[11] NIST, Quantum Devices Grp, Boulder, CO 80305 USA

[12] CALTECH, Pasadena, CA 91125 USA

[13] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[14] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA

[15] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[16] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[17] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Stanford, CA 94305 USA

[18] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[19] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA

[20] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[21] Univ Munich, Dept Phys, D-81679 Munich, Germany

[22] Excellence Cluster Universe, D-85748 Garching, Germany

[23] Case Western Reserve Univ, Dept Phys, Ctr Educ & Res Cosmol & Astrophys, Cleveland, OH 44106 USA

[24] Univ Minnesota, Dept Phys, Minneapolis, MN 55455 USA

[25] Sch Art Inst Chicago, Liberal Arts Dept, Chicago, IL 60603 USA

[26] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[27] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada

[28] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada

[29] Univ Illinois, Dept Astron, Urbana, IL 61801 USA

[30] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[31] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Dept Phys, Berkeley, CA 94720 USA

[32] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

来源：

ASTROPHYSICAL JOURNAL | 2015年 / 799卷 / 02期

基金：

美国国家科学基金会;

关键词：

cosmic background radiation; cosmology: observations; dark ages; reionization; first stars; diffuse radiation; large-scale structure of universe; BARYON ACOUSTIC-OSCILLATIONS; ATACAMA COSMOLOGY TELESCOPE; ANGULAR POWER SPECTRUM; STAR-FORMING GALAXIES; SUNYAEV-ZELDOVICH; CLUSTER PHYSICS; DUST EMISSION; INHOMOGENEOUS REIONIZATION; ABSORPTION-COEFFICIENT; TEMPERATURE-DEPENDENCE;

D O I：

10.1088/0004-637X/799/2/177

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present measurements of secondary cosmic microwave background (CMB) anisotropies and cosmic infrared background (CIB) fluctuations using data from the South Pole Telescope (SPT) covering the complete 2540 deg(2) SPT-SZ survey area. Data in the three SPT-SZ frequency bands centered at 95, 150, and 220 GHz, are used to produce six angular power spectra (three single-frequency auto-spectra and three cross-spectra) covering the multipole range 2000 < l < 11,000 (angular scales 5' greater than or similar to theta greater than or similar to 1'). These are the most precise measurements of the angular power spectra at l > 2500 at these frequencies. The main contributors to the power spectra at these angular scales and frequencies are the primary CMB, CIB, thermal and kinematic Sunyaev-Zel'dovich effects (tSZ and kSZ), and radio galaxies. We include a constraint on the tSZ power from a measurement of the tSZ bispectrum from 800 deg(2) of the SPT-SZ survey. We measure the tSZ power at 143 GHz to be D-3000(tSZ) = 4.08(-0.67)(+0.58) mu K-2 and the kSZ power to be D-3000(kSZ) = 2.9 +/- 1.3 mu K-2. The data prefer positive kSZ power at 98.1% CL. We measure a correlation coefficient of xi = 0.113(-0.054)(+0.057) between sources of tSZ and CIB power, with xi < 0 disfavored at a confidence level of 99.0%. The constraint on kSZ power can be interpreted as an upper limit on the duration of reionization. When the post-reionization homogeneous kSZ signal is accounted for, we find an upper limit on the duration Delta z < 5.4 at 95% CL.

引用

页数：22

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