A CMB lensing analysis of the extended mass distribution of clusters
arXiv:2310.04387 · doi:10.1093/mnras/stad3081
Abstract
The aim of this work is to study the anisotropic weak lensing signal associated with the mass distribution of massive clusters of galaxies using the Cosmic Microwave Background (CMB) data. For this purpose, we stack patches of the Planck Collaboration 2018 CMB lensing convergence map centered on SDSS DR8 redMaPPer clusters within the redshift range [0.4, 0.5]. We obtain mean radial profiles of the convergence parameter k finding strong signals at scales as large as 40 Mpc/h. By orienting the clusters along their major axis defined through the galaxy member distribution, we find a significant difference between the parallel and perpendicular oriented convergence profiles. The amplitude of the profile along the parallel direction is about 50% larger than that along the perpendicular direction, indicating that the clusters are well aligned with the surrounding mass distribution. From a model with an anisotropic surface mass density, we obtain a suitable agreement for both mass and ellipticities of clusters compared to results derived from weak lensing shear estimates, finding strong evidence of the correlation between the galaxy cluster member distribution and the large--scale mass distribution.
arXiv comment8 pages, 9 figures
References in corpus (27)
- The Sloan Digital Sky Survey: Technical Summary
- A Universal Density Profile from Hierarchical Clustering
- HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere
- The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III
- Cosmological parameter analysis including SDSS Ly-alpha forest and galaxy bias: constraints on the primordial spectrum of fluctuations, neutrino mass, and dark energy
- The Large Scale Bias of Dark Matter Halos: Numerical Calibration and Model Tests
- redMaPPer I: Algorithm and SDSS DR8 Catalog
- Planck 2018 results. VIII. Gravitational lensing
- Gravitational Lensing Effect on Cosmic Microwave Background Polarization
- The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data
- Detection of (dark) matter concentrations via weak gravitational lensing
- Planck intermediate results. LVII. Joint Planck LFI and HFI data processing
- An accurate physical model for halo concentrations
- Dark Energy Survey Year 1 Results: Weak Lensing Mass Calibration of redMaPPer Galaxy Clusters
- Weak Lensing Measurement of the Mass--Richness Relation of SDSS redMaPPer Clusters
- Measuring the Mass Distribution in Galaxy Clusters
- The ellipticity of galaxy cluster halos from satellite galaxies and weak lensing
- Halo ellipticity of GAMA galaxy groups from KiDS weak lensing
- Lensing Measurements of the Ellipticity of LRG Dark Matter Halos
- Impact of baryons on the cluster mass function and cosmological parameter determination
- Cosmological parameters constraints from galaxy cluster mass function measurements in combination with other cosmological data
- Weak-lensing calibration of a stellar mass-based mass proxy for redMaPPer and Voronoi Tessellation clusters in SDSS Stripe 82
- Optimal filtering for CMB lensing reconstruction
- Brightest Cluster Galaxies Trace Weak Lensing Mass Bias and Halo Triaxiality in The Three Hundred Project
- Prospects for Determining the Mass Distributions of Galaxy Clusters on Large Scales Using Weak Gravitational Lensing
- Measuring the surface mass density ellipticity of redMaPPer galaxy clusters using weak-lensing
- Accurate dark matter halo elongation from weak-lensing stacking analysis