publication . Preprint . 2018

Dark Energy Survey Year 1 Results: Cross-correlation between DES Y1 galaxy weak lensing and SPT+Planck CMB weak lensing

Omori, Y.; Baxter, E.; Chang, C.; Kirk, D.; Alarcon, A.; Bernstein, G. M.; Bleem, L. E.; Cawthon, R.; Choi, A.; Chown, R.; ...
Open Access English
  • Published: 04 Oct 2018
Abstract
We cross-correlate galaxy weak lensing measurements from the Dark Energy Survey (DES) year-one (Y1) data with a cosmic microwave background (CMB) weak lensing map derived from South Pole Telescope (SPT) and Planck data, with an effective overlapping area of 1289 deg$^{2}$. With the combined measurements from four source galaxy redshift bins, we reject the hypothesis of no lensing with a significance of $10.8\sigma$. When employing angular scale cuts, this significance is reduced to $6.8\sigma$, which remains the highest signal-to-noise measurement of its kind to date. We fit the amplitude of the correlation functions while fixing the cosmological parameters to a...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: Astrophysics - Cosmology and Nongalactic Astrophysics
Funded by
NSERC
Project
  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
,
NSF| Sustained-Petascale In Action: Blue Waters Enabling Transformative Science And Engineering
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1238993
  • Funding stream: Directorate for Computer & Information Science & Engineering | Division of Advanced Cyberinfrastructure
,
NSF| Physics Frontier Center at the Kavli Institute for Cosmological Physics: Pushing Cosmology to the Edge
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1125897
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
NSF| Cosmological Research with the 10-meter South Pole Telescope
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1248097
  • Funding stream: Directorate for Geosciences | Division of Polar Programs
,
EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
Download from
132 references, page 1 of 9

33Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, UK

34Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile

35Department of Physics and Electronics, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa

36Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, IL 60510, USA

37Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK

38Department of Physics, University of California, Davis, CA, USA 95616

39CNRS, UMR 7095, Institut d'Astrophysique de Paris, F-75014, Paris, France

40Sorbonne Universités, UPMC Univ Paris 06, UMR 7095,

Institut d'Astrophysique de Paris, F-75014, Paris, France

41Jodrell Bank Center for Astrophysics, School of Physics and Astronomy,

University of Manchester, Oxford Road, Manchester, M13 9PL, UK

42Department of Physics, University of Chicago, Chicago, IL 60637, USA

43Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA

44Laboratório Interinstitucional de e-Astronomia - LIneA,

Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil

132 references, page 1 of 9
Abstract
We cross-correlate galaxy weak lensing measurements from the Dark Energy Survey (DES) year-one (Y1) data with a cosmic microwave background (CMB) weak lensing map derived from South Pole Telescope (SPT) and Planck data, with an effective overlapping area of 1289 deg$^{2}$. With the combined measurements from four source galaxy redshift bins, we reject the hypothesis of no lensing with a significance of $10.8\sigma$. When employing angular scale cuts, this significance is reduced to $6.8\sigma$, which remains the highest signal-to-noise measurement of its kind to date. We fit the amplitude of the correlation functions while fixing the cosmological parameters to a...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: Astrophysics - Cosmology and Nongalactic Astrophysics
Funded by
NSERC
Project
  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
,
NSF| Sustained-Petascale In Action: Blue Waters Enabling Transformative Science And Engineering
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1238993
  • Funding stream: Directorate for Computer & Information Science & Engineering | Division of Advanced Cyberinfrastructure
,
NSF| Physics Frontier Center at the Kavli Institute for Cosmological Physics: Pushing Cosmology to the Edge
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1125897
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
NSF| Cosmological Research with the 10-meter South Pole Telescope
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1248097
  • Funding stream: Directorate for Geosciences | Division of Polar Programs
,
EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
Download from
132 references, page 1 of 9

33Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, UK

34Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile

35Department of Physics and Electronics, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa

36Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, IL 60510, USA

37Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK

38Department of Physics, University of California, Davis, CA, USA 95616

39CNRS, UMR 7095, Institut d'Astrophysique de Paris, F-75014, Paris, France

40Sorbonne Universités, UPMC Univ Paris 06, UMR 7095,

Institut d'Astrophysique de Paris, F-75014, Paris, France

41Jodrell Bank Center for Astrophysics, School of Physics and Astronomy,

University of Manchester, Oxford Road, Manchester, M13 9PL, UK

42Department of Physics, University of Chicago, Chicago, IL 60637, USA

43Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA

44Laboratório Interinstitucional de e-Astronomia - LIneA,

Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil

132 references, page 1 of 9
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