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
Abstract
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...
Subjects
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
EC| COSMICDAWN
Project
COSMICDAWN
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
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
,
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
,
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| COGS
Project
COGS
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • Funding stream: FP7 | SP2 | ERC
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