A SUNYAEV-ZEL'DOVICH-SELECTED SAMPLE OF THE MOST MASSIVE GALAXY CLUSTERS IN THE 2500 deg2 SOUTH POLE TELESCOPE SURVEY

被引：216

作者：

Williamson, R. ^{[1
,2
]}

Benson, B. A. ^{[1
,3
]}

High, F. W. ^{[1
,2
]}

Vanderlinde, K. ^{[4
]}

Ade, P. A. R. ^{[5
]}

Aird, K. A.

Andersson, K. ^{[6
,7
]}

Armstrong, R. ^{[8
]}

Ashby, M. L. N. ^{[9
]}

Bautz, M. ^{[7
]}

Bazin, G. ^{[6
,10
]}

Bertin, E. ^{[11
]}

Bleem, L. E. ^{[1
,12
]}

Bonamente, M. ^{[13
]}

Brodwin, M. ^{[9
]}

Carlstrom, J. E. ^{[1
,2
,3
,12
,14
]}

Chang, C. L. ^{[1
,3
,14
]}

Chapman, S. C. ^{[15
]}

Clocchiatti, A. ^{[16
]}

Crawford, T. M. ^{[1
,2
]}

Crites, A. T. ^{[1
,2
]}

de Haan, T. ^{[4
]}

Desai, S. ^{[8
,17
]}

Dobbs, M. A. ^{[4
]}

Dudley, J. P. ^{[4
]}

Fazio, G. G. ^{[9
]}

Foley, R. J. ^{[9
]}

Forman, W. R. ^{[9
]}

Garmire, G. ^{[18
]}

George, E. M. ^{[19
]}

Gladders, M. D. ^{[1
,2
]}

Gonzalez, A. H. ^{[20
]}

Halverson, N. W. ^{[21
,22
]}

Holder, G. P. ^{[4
]}

Holzapfel, W. L. ^{[19
]}

Hoover, S. ^{[1
,3
]}

Hrubes, J. D.

Jones, C. ^{[9
]}

Joy, M. ^{[13
]}

Keisler, R. ^{[1
,12
]}

Knox, L. ^{[23
]}

Lee, A. T. ^{[19
,24
]}

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

Lueker, M. ^{[19
]}

Luong-Van, D.

Marrone, D. P. ^{[1
]}

McMahon, J. J. ^{[1
,3
,25
]}

Mehl, J. ^{[1
,2
]}

Meyer, S. S. ^{[1
,2
,3
,12
]}

Mohr, J. J. ^{[6
,10
,26
]}

机构：

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

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

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

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

[5] Cardiff Univ, Dept Phys & Astron, Cardiff CF24 3YB, S Glam, Wales

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

[7] MIT, MIT Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA

[8] Univ Illinois, Natl Ctr Supercomp Applicat, Urbana, IL 61801 USA

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

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

[11] Univ Paris 06, CNRS, UMR 7095, Inst Astrophys Paris, F-75014 Paris, France

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

[13] NASA, Dept Space Sci, Marshall Space Flight Ctr, Huntsville, AL 35812 USA

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

[15] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England

[16] Dept Astron & Astrophys, Santiago 22, Chile

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

[18] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA

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

[20] Univ Florida, Dept Astron, Gainesville, FL 32611 USA

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

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

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

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

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

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

[27] Case Western Reserve Univ, CERCA, Cleveland, OH 44106 USA

[28] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA

[29] CALTECH, Pasadena, CA 91125 USA

[30] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[31] Space Telescope Sci Inst, Baltimore, MD 21218 USA

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

[33] Yale Univ, Dept Phys, New Haven, CT 06520 USA

来源：

ASTROPHYSICAL JOURNAL | 2011年 / 738卷 / 02期

基金：

美国国家科学基金会;

关键词：

cosmic background radiation; cosmology: observations; galaxies: clusters: general; ATACAMA COSMOLOGY TELESCOPE; ALL-SKY SURVEY; STELLAR LOCUS; POWER SPECTRA; CONSTRAINTS; ANISOTROPY; CATALOG; PROBE; REDSHIFT; PRECISION;

D O I：

10.1088/0004-637X/738/2/139

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The South Pole Telescope (SPT) is currently surveying 2500 deg(2) of the southern sky to detect massive galaxy clusters out to the epoch of their formation using the Sunyaev-Zel'dovich (SZ) effect. This paper presents a catalog of the 26 most significant SZ cluster detections in the full survey region. The catalog includes 14 clusters which have been previously identified and 12 that are new discoveries. These clusters were identified in fields observed to two differing noise depths: 1500 deg2 at the final SPT survey depth of 18 mu K arcmin at 150 GHz and 1000 deg2 at a depth of 54 mu K arcmin. Clusters were selected on the basis of their SZ signal-to-noise ratio (S/N) in SPT maps, a quantity which has been demonstrated to correlate tightly with cluster mass. The S/N thresholds were chosen to achieve a comparablemass selection across survey fields of both depths. Cluster redshifts were obtained with optical and infrared imaging and spectroscopy from a variety of ground-and space-based facilities. The redshifts range from 0.098 <= z <= 1.132 with a median of z(med) = 0.40. The measured SZ S/N and redshifts lead to unbiased mass estimates ranging from 9.8 x 10(14) M-circle dot h(70)(-1) <= M-200(rho(mean)) <= 3.1 x 10(15) M-circle dot h(-1). Based on the SZ mass estimates, we find that none of the clusters are individually in significant tension with the Lambda CDM cosmological model. We also test for evidence of non-Gaussianity based on the cluster sample and find the data show no preference for non-Gaussian perturbations.

引用

页数：28

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