First lensing measurements of SZ-discovered clusters

Abstract

We present the first lensing mass measurements of Sunyaev-Zel'dovich (SZ) selected clusters. Using optical imaging from the Southern Cosmology Survey (SCS), we present weak lensing masses for three clusters selected by their SZ emission in the South Pole Telescope survey (SPT). We confirm that the SZ selection procedure is successful in detecting mass concentrations. We also study the weak lensing signals from 38 optically-selected clusters in ~8 square degrees of the SCS survey. We fit Navarro, Frenk and White (NFW) profiles and find that the SZ clusters have amongst the largest masses, as high as 5x10^14 Msun. Using the best fit masses for all the clusters, we analytically calculate the expected SZ integrated Y parameter, which we find to be consistent with the SPT observations.

Minor changes to match accepted version, 5 pages, 3 figures

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• Weak lensing analysis of SZ-selected clusters of galaxies from the SPT and Planck surveys
• The Atacama Cosmology Telescope: Physical Properties and Purity of a Galaxy Cluster Sample Selected via the Sunyaev-Zel'dovich Effect
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• Weak-Lensing Mass Calibration of the Atacama Cosmology Telescope Equatorial Sunyaev-Zeldovich Cluster Sample with the Canada-France-Hawaii Telescope Stripe 82 Survey
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• Southern Cosmology Survey II: Massive Optically-Selected Clusters from 70 square degrees of the SZE Common Survey Area
• ORCA: The Overdense Red-sequence Cluster Algorithm
• A Multiband Study of the Galaxy Populations of the First Four Sunyaev--Zeldovich Effect selected Galaxy Clusters
• A Consistent Approach to Falsifying Lambda-CDM with Rare Galaxy Clusters
• Precise weak lensing constraints from deep high-resolution $K_{\mathrm{s}}$ images: VLT/HAWK-I analysis of the super-massive galaxy cluster RCS2$J$232727.7$-$020437 at $z=0.70$
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• Extending empirical constraints on the SZ-mass scaling relation to higher redshifts via HST weak lensing measurements of nine clusters from the SPT-SZ survey at $z\gtrsim 1$
• Covariance in the Thermal SZ-Weak Lensing Mass Scaling Relation of Galaxy Clusters
• Comparison of hydrostatic and dynamical masses of distant X-ray luminous galaxy clusters
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• X-ray and optical analysis of the distant, merging double cluster SPT-CLJ2228-5828, its gas bridge, and shock front
• Optical Confirmation of X-ray selected Galaxy clusters from the Swift AGN and Cluster survey with MDM and Pan-STARRS Data (Paper III)
• The XMM-BCS galaxy cluster survey: I. The X-ray selected cluster catalog from the initial 6 deg${}^2$
• Euclid: Early Release Observations. Weak gravitational lensing analysis of Abell 2390