publication . Article . Preprint . 2018

Dark Energy Survey Year 1 Results:tomographic cross-correlations between DES galaxies and CMB lensing from SPT+Planck

Omori, Y.; Giannantonio, T.; Porredon, A.; Baxter, E.; Chang, C.; Crocce, M.; Fosalba, P.; Alarcon, A.; Banik, N.; Blazek, J.; ...
Open Access English
  • Published: 04 Oct 2018
  • Country: United Kingdom
Abstract
We measure the cross-correlation between redMaGiC galaxies selected from the Dark Energy Survey (DES) Year-1 data and gravitational lensing of the cosmic microwave background (CMB) reconstructed from South Pole Telescope (SPT) and Planck data over 1289 sq. deg. When combining measurements across multiple galaxy redshift bins spanning the redshift range of $0.15<z<0.90$, we reject the hypothesis of no correlation at 19.9$\sigma$ significance. When removing small-scale data points where thermal Sunyaev-Zel'dovich signal and nonlinear galaxy bias could potentially bias our results, the detection significance is reduced to 9.9$\sigma$. We perform a joint analysis of...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Instrumentation and Methods for Astrophysics
free text keywords: astro-ph.CO, Astrophysics - Cosmology and Nongalactic Astrophysics
Funded by
NSERC
Project
  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
,
EC| TESTDE
Project
TESTDE
Testing the Dark Energy Paradigm and Measuring Neutrino Mass with the Dark Energy Survey
  • Funder: European Commission (EC)
  • Project Code: 291329
  • Funding stream: FP7 | SP2 | ERC
,
EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
,
NSF| Center for Cosmological Physics
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 0114422
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
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
121 references, page 1 of 9

32Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, UK

33Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile

34Department of Physics and Electronics, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa

35Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK

36Department of Physics, University of California, Davis, CA, USA 95616

37CNRS, UMR 7095, Institut d'Astrophysique de Paris, F-75014, Paris, France

38Sorbonne Universités, UPMC Univ Paris 06, UMR 7095,

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

39Department of Physics, University of Chicago, Chicago, IL 60637, USA

40Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA

41Laboratório Interinstitucional de e-Astronomia - LIneA,

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

42Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil

43National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA

44California Institute of Technology, Pasadena, CA, USA 91125

121 references, page 1 of 9
Abstract
We measure the cross-correlation between redMaGiC galaxies selected from the Dark Energy Survey (DES) Year-1 data and gravitational lensing of the cosmic microwave background (CMB) reconstructed from South Pole Telescope (SPT) and Planck data over 1289 sq. deg. When combining measurements across multiple galaxy redshift bins spanning the redshift range of $0.15<z<0.90$, we reject the hypothesis of no correlation at 19.9$\sigma$ significance. When removing small-scale data points where thermal Sunyaev-Zel'dovich signal and nonlinear galaxy bias could potentially bias our results, the detection significance is reduced to 9.9$\sigma$. We perform a joint analysis of...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Instrumentation and Methods for Astrophysics
free text keywords: astro-ph.CO, Astrophysics - Cosmology and Nongalactic Astrophysics
Funded by
NSERC
Project
  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
,
EC| TESTDE
Project
TESTDE
Testing the Dark Energy Paradigm and Measuring Neutrino Mass with the Dark Energy Survey
  • Funder: European Commission (EC)
  • Project Code: 291329
  • Funding stream: FP7 | SP2 | ERC
,
EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
,
NSF| Center for Cosmological Physics
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 0114422
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
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
121 references, page 1 of 9

32Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, UK

33Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile

34Department of Physics and Electronics, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa

35Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK

36Department of Physics, University of California, Davis, CA, USA 95616

37CNRS, UMR 7095, Institut d'Astrophysique de Paris, F-75014, Paris, France

38Sorbonne Universités, UPMC Univ Paris 06, UMR 7095,

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

39Department of Physics, University of Chicago, Chicago, IL 60637, USA

40Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA

41Laboratório Interinstitucional de e-Astronomia - LIneA,

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

42Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil

43National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA

44California Institute of Technology, Pasadena, CA, USA 91125

121 references, page 1 of 9
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