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
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.
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