publication . Article . Preprint . Other literature type . 2019

Mass Calibration of Optically Selected des Clusters Using a Measurement of CMB-cluster Lensing with SPTpol Data

E. Bertin; J. Gschwend; K. K. Schaffer; K. K. Schaffer; Ben Hoyle; Ben Hoyle; J. P. Dietrich; J. P. Dietrich; A. Nadolski; Gary Bernstein; ...
Open Access English
  • Published: 20 Feb 2019
  • Publisher: HAL CCSD
We use cosmic microwave background (CMB) temperature maps from the 500 deg$^{2}$ SPTpol survey to measure the stacked lensing convergence of galaxy clusters from the Dark Energy Survey (DES) Year-3 redMaPPer (RM) cluster catalog. The lensing signal is extracted through a modified quadratic estimator designed to be unbiased by the thermal Sunyaev-Zel{'}dovich (tSZ) effect. The modified estimator uses a tSZ-free map, constructed from the SPTpol 95 and 150 GHz datasets, to estimate the background CMB gradient. For lensing reconstruction, we employ two versions of the RM catalog: a flux-limited sample containing 4003 clusters and a volume-limited sample with 1741 cl...
arXiv: Astrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: gravitational lensing: weak, galaxies: clusters: general, cosmic background radiation, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], astro-ph.CO, RCUK, STFC, clusters: general [galaxies], weak [gravitational lensing], Radiação cósmica de fundo, Galáxias - Aglomerados, Lentes gravitacionais, Galaxies - Clusters, Gravitational lenses, Astrophysics - Cosmology and Nongalactic Astrophysics, cosmic background radiation, galaxies: clusters: general, gravitational lensing: weak, Space and Planetary Science, Astronomy and Astrophysics, QC, Cluster (physics), Normalization (statistics), Estimator, Astrophysics, Physics, Dark energy, Galaxy cluster, Galaxy, Cosmic microwave background
Related Organizations
Funded by
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
NSF| Collaborative Research: The Dark Energy Survey Data Management Operations
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
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
NSF| Cosmological Research with the 10-meter South Pole Telescope
  • Funder: National Science Foundation (NSF)
  • Project Code: 1248097
  • Funding stream: Directorate for Geosciences | Division of Polar Programs
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • Funding stream: FP7 | SP2 | ERC
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