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First Measurement of the Cross-Correlation of CMB Lensing and Galaxy LensingWe measure the cross-correlation of cosmic microwave background (CMB) lensing convergence maps derived from Atacama Cosmology Telescope data with galaxy lensing convergence maps as measured by the Canada-France-Hawaii Telescope Stripe 82 Survey. The CMB-galaxy lensing cross power spectrum is measured for the first time with a significance of 4.2σ, which corresponds to a 12% constraint on the amplitude of density fluctuations at redshifts ∼0.9. With upcoming improved lensing data, this novel type of measurement will become a powerful cosmological probe, providing a precise measurement of the mass distribution at intermediate redshifts and serving as a calibrator for systematic biases in weak lensing measurements.
Document ID
20180005470
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Hand, Nick
(California Univ. Berkeley, CA, United States)
Leauthaud, Alexie
(Kavli Foundation Los Angeles, CA, United States)
Das, Sudeep
(Argonne National Lab. Lemont, IL, United States)
Sherwin, Blake D.
(California Univ. Berkeley, CA, United States)
Addison, Graeme E.
(University of British Columbia Vancouver, British Columbia, Canada)
Bond, J. Richard
(Canadian Inst. for Theoretical Astrophysics Toronto, Ontario, Canada)
Calabrese, Erminia
(University of Oxford Oxford, England)
Charbonnier, Aldée
(Universidade Federal do Rio de Janeiro Rio de Janeiro, Brazil)
Devlin, Mark J.
(Pennsylvania Univ. Philadelphia, PA, United States)
Dunkley, Joanna
(University of Oxford Oxford, England)
Erben, Thomas
(Argelander Inst. for Astronomy Bonn, Germany)
Hajian, Amir
(Canadian Inst. for Theoretical Astrophysics Toronto, Ontario, Canada)
Halpern, Mark
(University of British Columbia Vancouver, British Columbia, Canada)
Harnois-Déraps, Joachim
(University of British Columbia Vancouver, British Columbia, Canada)
Heymans, Catherine
(University of Edinburgh Edinburgh, Scotland)
Hildebrandt, Hendrik
(Argelander Inst. for Astronomy Bonn, Germany)
Hincks, Adam D.
(University of British Columbia Vancouver, British Columbia, Canada)
Kneib, Jean-Paul
(Ecole Polytechnique Federale de Lausanne Versoix, Switzerland)
Kosowsky, Arthur
(Pittsburgh Univ. Pittsburgh, PA, United States)
Makler, Martin
(Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro, Brazil)
Miller, Lance
(University of Oxford Oxford, England)
Moodley, Kavilan
(KwaZulu-Natal Univ. Durban, South Africa)
Moraes, Bruno
(Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro, Brazil)
Niemack, Michael D.
(Cornell Univ. Ithaca, NY, United States)
Page, Lyman A.
(Princeton Univ. Princeton, NJ, United States)
Partridge, Bruce
(Haverford College Haverford, PA, United States)
Sehgal, Neelima
(Stony Brook Univ. Stony Brook, NY, United States)
Shan, Huanyuan
(Ecole Polytechnique Federale de Lausanne Versoix, Switzerland)
Sievers, Jonathan L.
(KwaZulu-Natal Univ. Durban, South Africa)
Spergel, David N.
(Princeton Univ. Princeton, NJ, United States)
Staggs, Suzanne T.
(Princeton Univ. Princeton, NJ, United States)
Switzer, Eric R.
(Canadian Inst. for Theoretical Astrophysics Toronto, Ontario, Canada)
Taylor, James E.
(University of Waterloo Waterloo, Ontario, Canada)
Waerbeke, Ludovic Van
(University of British Columbia Vancouver, British Columbia, Canada)
Welker, Charlotte
(Institut d'Astrophysique Paris, France)
Wollack, Edward J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 24, 2018
Publication Date
March 2, 2015
Publication Information
Publication: Physical Review D
Publisher: American Physical Society
Volume: 91
Issue: 6
ISSN: 2470-0010
e-ISSN: 2470-0029
Subject Category
Astrophysics
Report/Patent Number
GSFC-E-DAA-TN22729
ISSN: 2470-0010
Report Number: GSFC-E-DAA-TN22729
E-ISSN: 2470-0029
Funding Number(s)
CONTRACT_GRANT: EC FP7 240185
OTHER: ER 327/3-1
CONTRACT_GRANT: PHY-1214379
CONTRACT_GRANT: NSFC China 11103011
CONTRACT_GRANT: AST-0408698
CONTRACT_GRANT: DGE-1106400
CONTRACT_GRANT: 12174-13-0
CONTRACT_GRANT: DFG Hi 1495/2-1
CONTRACT_GRANT: FP7-PEOPLE-2012-IIF/327561
CONTRACT_GRANT: AST-0965625
CONTRACT_GRANT: NSF 1066293
CONTRACT_GRANT: PHY-0855887
Distribution Limits
Public
Copyright
Other
Keywords
CMB-galzxy lensing cross power spectrum

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