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8 papers · 2 filters
Improved Cosmological Constraints from SDSS redMaPPer Clusters via X-ray Follow-up of a Complete Subsample of Systems
Matthew Kirby, Eduardo Rozo, R. Glenn Morris +7
We improve upon the cosmological constraints derived from the abundance and weak-lensing data of redMaPPer clusters detected in the Sloan Digital Sky Survey (SDSS). Specifically, w…
Observation and Confirmation of Nine Strong Lensing Systems in Dark Energy Survey Year 1 Data
B. Nord, E. Buckley-Geer, H. Lin +63
We describe the observation and confirmation of \nbconfirmtext\ new strong gravitational lenses discovered in Year 1 data from the Dark Energy Survey (DES). We created candidate li…
The bias of dark matter tracers: assessing the accuracy of mapping techniques
M. Pellejero-Ibañez, A. Balaguera-Antolínez, Francisco-Shu Kitaura +7
We present a comparison between approximated methods for the construction of mock catalogs based on the halo-bias mapping technique. To this end, we use as reference a high resolut…
Ellipticity of Brightest Cluster Galaxies as tracer of halo orientation and weak-lensing mass bias
Ricardo Herbonnet, Anja von der Linden, Steve W. Allen +4
Weak-lensing measurements of the masses of galaxy clusters are commonly based on the assumption of spherically symmetric density profiles. Yet, the cold dark matter model predicts…
Constraints on Cosmological Parameters from the 500 deg SPTpol Lensing Power Spectrum
F. Bianchini, W. L. K. Wu, P. A. R. Ade +68
We present cosmological constraints based on the cosmic microwave background (CMB) lensing potential power spectrum measurement from the recent 500 deg SPTpol survey, the most…
The Future Landscape of High-Redshift Galaxy Cluster Science
Adam B. Mantz, Steven W. Allen, Nicholas Battaglia +6
Modern galaxy cluster science is a multi-wavelength endeavor with cornerstones provided by X-ray, optical/IR, mm, and radio measurements. In combination, these observations enable…