THE ATACAMA COSMOLOGY TELESCOPE: A MEASUREMENT OF THE COSMIC MICROWAVE BACKGROUND POWER SPECTRUM AT 148 AND 218 GHz FROM THE 2008 SOUTHERN SURVEY

被引：145

作者：

Das, Sudeep ^{[1
,2
,3
,4
]}

Marriage, Tobias A. ^{[4
]}

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

Aguirre, Paula ^{[6
]}

Amiri, Mandana ^{[7
]}

Appel, John W. ^{[3
]}

Barrientos, L. Felipe ^{[6
]}

Battistelli, Elia S. ^{[7
,8
]}

Bond, John R. ^{[9
]}

Brown, Ben ^{[10
]}

Burger, Bryce ^{[7
]}

Chervenak, Jay ^{[11
]}

Devlin, Mark J. ^{[12
]}

Dicker, Simon R. ^{[12
]}

Doriese, W. Bertrand ^{[13
]}

Dunkley, Joanna ^{[3
,4
,14
]}

Duenner, Rolando ^{[6
]}

Essinger-Hileman, Thomas ^{[3
]}

Fisher, Ryan P. ^{[3
]}

Fowler, Joseph W. ^{[3
,13
]}

Hajian, Amir ^{[3
,4
,9
]}

Halpern, Mark ^{[7
]}

Hasselfield, Matthew ^{[7
]}

Hernandez-Monteagudo, Carlos ^{[15
]}

Hilton, Gene C. ^{[13
]}

Hilton, Matt ^{[16
,17
]}

Hincks, Adam D. ^{[3
]}

Hlozek, Renee ^{[14
]}

Huffenberger, Kevin M. ^{[18
]}

Hughes, David H. ^{[19
]}

Hughes, John P. ^{[20
]}

Infante, Leopoldo ^{[6
]}

Irwin, Kent D. ^{[13
]}

Juin, Jean Baptiste ^{[6
]}

Kaul, Madhuri ^{[12
]}

Klein, Jeff ^{[12
]}

Kosowsky, Arthur ^{[3
,25
]}

Lau, Judy M. ^{[3
,21
,22
]}

Limon, Michele ^{[3
,12
,23
]}

Lin, Yen-Ting ^{[4
,6
,24
]}

Lupton, Robert H. ^{[4
]}

Marsden, Danica ^{[12
]}

Martocci, Krista ^{[3
,25
]}

Mauskopf, Phil ^{[5
]}

Menanteau, Felipe ^{[20
]}

Moodley, Kavilan ^{[16
,17
]}

Moseley, Harvey ^{[11
]}

Netterfield, Calvin B. ^{[26
]}

Niemack, Michael D. ^{[3
,13
]}

Nolta, Michael R. ^{[9
]}

机构：

[1] Univ Calif Berkeley, LBL, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA

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

[3] Princeton Univ, Joseph Henry Labs Phys, Princeton, NJ 08544 USA

[4] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA

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

[6] Pontificia Univ Catolica Chile, Fac Fis, Dept Astron & Astrofis, Santiago 22, Chile

[7] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z4, Canada

[8] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy

[9] Univ Toronto, Canadian Inst Theoret Astrophys, Toronto, ON M5S 3H8, Canada

[10] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[11] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[12] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

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

[14] Univ Oxford, Dept Astrophys, Oxford OX1 3RH, England

[15] Max Planck Inst Astrophys, D-85741 Garching, Germany

[16] Univ KwaZulu Natal, Sch Math Sci, Astrophys & Cosmol Res Unit, ZA-4041 Durban, South Africa

[17] Ctr High Performance Comp, Cape Town, South Africa

[18] Univ Miami, Dept Phys, Coral Gables, FL 33124 USA

[19] INAOE, Puebla, Mexico

[20] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA

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

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

[23] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA

[24] Univ Tokyo, Inst Phys & Math Universe, Chiba 2778568, Japan

[25] Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[26] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

[27] Haverford Coll, Dept Phys & Astron, Haverford, PA 19041 USA

[28] Univ Barcelona, ICC, E-08028 Barcelona, Spain

[29] W Chester Univ Penn, Dept Phys, W Chester, PA 19383 USA

[30] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA

[31] Harvard Univ, Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

来源：

ASTROPHYSICAL JOURNAL | 2011年 / 729卷 / 01期

基金：

加拿大自然科学与工程研究理事会; 新加坡国家研究基金会; 美国国家科学基金会; 加拿大创新基金会;

关键词：

cosmic background radiation; cosmology: observations; PROBE WMAP OBSERVATIONS; BEAM PROFILES; SOURCE COUNTS; ANISOTROPY; TEMPERATURE; RADIATION; SIMULATIONS; CONSTRAINTS; SEARCH; LIGHT;

D O I：

10.1088/0004-637X/729/1/62

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) power spectrum made by the Atacama Cosmology Telescope at 148 GHz and 218 GHz, as well as the cross-frequency spectrum between the two channels. Our results clearly show the second through the seventh acoustic peaks in the CMB power spectrum. The measurements of these higher-order peaks provide an additional test of the Lambda CDM cosmological model. At l > 3000, we detect power in excess of the primary anisotropy spectrum of the CMB. At lower multipoles 500 < l < 3000, we find evidence for gravitational lensing of the CMB in the power spectrum at the 2.8 sigma level. We also detect a low level of Galactic dust in our maps, which demonstrates that we can recover known faint, diffuse signals.

引用

页数：16

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