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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
The atacama cosmology telescope: Temperature and gravitational lensing power spectrum measurements from three seasons of data
Journal of Cosmology and Astroparticle Physics, Volume 2014, No. 4, Article 014, Year 2014
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Description
We present the temperature power spectra of the cosmic microwave background (CMB) derived from the three seasons of data from the Atacama Cosmology Telescope (ACT) at 148 GHz and 218 GHz, as well as the cross-frequency spectrum between the two channels. We detect and correct for contamination due to the Galactic cirrus in our equatorial maps. We present the results of a number of tests for possible systematic error and conclude that any effects are not significant compared to the statistical errors we quote. Where they overlap, we cross-correlate the ACT and the South Pole Telescope (SPT) maps and show they are consistent. The measurements of higher-order peaks in the CMB power spectrum provide an additional test of the ΛCDM cosmological model, and help constrain extensions beyond the standard model. The small angular scale power spectrum also provides constraining power on the Sunyaev-Zel'dovich effects and extragalactic foregrounds. We also present a measurement of the CMB gravitational lensing convergence power spectrum at 4.6σ detection significance. © 2014 IOP Publishing Ltd and Sissa Medialab srl.
Authors & Co-Authors
Das, Sudeep
United States, Lemont
Argonne National Laboratory
United States, Berkeley
Lawrence Berkeley National Laboratory
Louis, Thibaut
United Kingdom, Oxford
University of Oxford
Nolta, Michael R.
Canada, Toronto
L’institut Canadien D’astrophysique Théorique
Addison, Graeme E.
United Kingdom, Oxford
University of Oxford
Canada, Vancouver
The University of British Columbia
Battistelli, Elia Stefano
Canada, Vancouver
The University of British Columbia
Italy, Rome
Sapienza Università Di Roma
Bond, J. Richard
Canada, Toronto
L’institut Canadien D’astrophysique Théorique
Calabrese, Erminia
United Kingdom, Oxford
University of Oxford
Crichton, Devin T.
United States, Baltimore
Johns Hopkins University
Devlin, Mark J.
United States, Philadelphia
University of Pennsylvania
Dicker, Simon R.
United States, Philadelphia
University of Pennsylvania
Dunkley, Joanna
United Kingdom, Oxford
University of Oxford
Dünner, Rolando
Chile, Santiago
Pontificia Universidad Católica de Chile
Fowler, Joseph W.
United States, Gaithersburg
National Institute of Standards and Technology
United States, Princeton
Princeton University
Gralla, Megan B.
United States, Baltimore
Johns Hopkins University
Hajian, Amir
Canada, Toronto
L’institut Canadien D’astrophysique Théorique
Halpern, Mark
Canada, Vancouver
The University of British Columbia
Hasselfield, Matthew F.
Canada, Vancouver
The University of British Columbia
United States, Princeton
Princeton University
Hilton, Matt
United Kingdom, Nottingham
University of Nottingham
South Africa, Durban
University of Kwazulu-natal
Hincks, Adam D.
Canada, Toronto
L’institut Canadien D’astrophysique Théorique
Hložek, Renée A.
United States, Princeton
Princeton University
Huffenberger, Kevin M.
United States, Coral Gables
University of Miami
Hughes, John P.
United States, New Brunswick
Rutgers University–new Brunswick
Irwin, Kent D.
United States, Gaithersburg
National Institute of Standards and Technology
Kosowsky, Arthur B.
United States, Pittsburgh
University of Pittsburgh
Lupton, Robert H.
United States, Princeton
Princeton University
Marriage, Tobias A.
United States, Baltimore
Johns Hopkins University
United States, Princeton
Princeton University
Marsden, Danica W.
United States, Philadelphia
University of Pennsylvania
United States, Santa Barbara
University of California, Santa Barbara
Menanteau, Felipe
United States, New Brunswick
Rutgers University–new Brunswick
Moodley, Kavilan
South Africa, Durban
University of Kwazulu-natal
Niemack, Michael D.
United States, Gaithersburg
National Institute of Standards and Technology
United States, Princeton
Princeton University
United States, Ithaca
Cornell University
Page, Lyman A.
United States, Princeton
Princeton University
Partridge, Bruce
United States, Haverford
Haverford College
Reese, Erik D.
United States, Philadelphia
University of Pennsylvania
Schmitt, Benjamin L.
United States, Philadelphia
University of Pennsylvania
Sehgal, Neelima
United States, Stony Brook
Stony Brook University
Sherwin, Blake D.
United States, Princeton
Princeton University
Sievers, Jonathan L.
Canada, Toronto
L’institut Canadien D’astrophysique Théorique
United States, Princeton
Princeton University
Spergel, David N.
United States, Princeton
Princeton University
Staggs, Suzanne T.
United States, Princeton
Princeton University
Swetz, Daniel S.
United States, Gaithersburg
National Institute of Standards and Technology
Switzer, Eric R.
Canada, Toronto
L’institut Canadien D’astrophysique Théorique
Thornton, Robert J.
United States, Philadelphia
University of Pennsylvania
United States, West Chester
West Chester University
Trac, H. Y.
United States, Pittsburgh
Carnegie Mellon University
Wollack, Edward J.
United States, Greenbelt
Nasa Goddard Space Flight Center
Statistics
Citations: 234
Authors: 44
Affiliations: 23
Identifiers
Doi:
10.1088/1475-7516/2014/04/014
e-ISSN:
14757516