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XRISM Observations of Abell 1795: Evidence for Low Turbulence and Resonant Scattering
Arnab Sarkar, Eric D. Miller, Brian McNamara +10
We present high-resolution X-ray spectroscopic observations of the cool-core galaxy cluster Abell~1795 obtained with XRISM/Resolve. The cluster was observed with two deep pointings…
Mapping the gas thermodynamic properties of the massive cluster merger MOO J11421527 at z = 1.2
F. Ruppin, R. Adam, P. Ade +51
We present the results of the analysis of the very massive cluster MOO J11421527 at a redshift based on high angular resolution NIKA2 Sunyaev-Zel'dovich (SZ) and $Chan…
Cosmological Constraints from Galaxy Clusters in the 2500 square-degree SPT-SZ Survey
T. de Haan, B. A. Benson, L. E. Bleem +74
(abridged) We present cosmological constraints obtained from galaxy clusters identified by their Sunyaev-Zel'dovich effect signature in the 2500 square degree South Pole Telescope…
A Measurement of Gravitational Lensing of the Cosmic Microwave Background by Galaxy Clusters Using Data from the South Pole Telescope
E. J. Baxter, R. Keisler, S. Dodelson +72
Clusters of galaxies are expected to gravitationally lens the cosmic microwave background (CMB) and thereby generate a distinct signal in the CMB on arcminute scales. Measurements…
Galaxy Clusters Discovered via the Sunyaev-Zel'dovich Effect in the 2500-square-degree SPT-SZ survey
L. E. Bleem, B. Stalder, T. de Haan +71
We present a catalog of galaxy clusters selected via their Sunyaev-Zel'dovich (SZ) effect signature from 2500 deg of South Pole Telescope (SPT) data. This work represents the c…
Mass Calibration and Cosmological Analysis of the SPT-SZ Galaxy Cluster Sample Using Velocity Dispersion and X-ray Measurements
S. Bocquet, A. Saro, J. J. Mohr +68
We present a velocity dispersion-based mass calibration of the South Pole Telescope Sunyaev-Zel'dovich effect survey (SPT-SZ) galaxy cluster sample. Using a homogeneously selected…
Optical Spectroscopy and Velocity Dispersions of Galaxy Clusters from the SPT-SZ Survey
J. Ruel, G. Bazin, M. Bayliss +79
We present optical spectroscopy of galaxies in clusters detected through the Sunyaev-Zel'dovich (SZ) effect with the South Pole Telescope (SPT). We report our own measurements of $…
The Growth of Cool Cores and Evolution of Cooling Properties in a Sample of 83 Galaxy Clusters at 0.3 < z < 1.2 Selected from the SPT-SZ Survey
M. McDonald, B. A. Benson, A. Vikhlinin +76
We present first results on the cooling properties derived from Chandra X-ray observations of 83 high-redshift (0.3 < z < 1.2) massive galaxy clusters selected by their Sunyaev-Zel…
A Massive, Cooling-Flow-Induced Starburst in the Core of a Highly Luminous Galaxy Cluster
M. McDonald, M. Bayliss, B. A. Benson +83
In the cores of some galaxy clusters the hot intracluster plasma is dense enough that it should cool radiatively in the cluster's lifetime, leading to continuous "cooling flows" of…
SPT-CL J0205-5829: A z = 1.32 Evolved Massive Galaxy Cluster in the South Pole Telescope Sunyaev-Zel'dovich Effect Survey
B. Stalder, J. Ruel, R. Suhada +80
The galaxy cluster SPT-CL J0205-5829 currently has the highest spectroscopically-confirmed redshift, z=1.322, in the South Pole Telescope Sunyaev-Zel'dovich (SPT-SZ) survey. XMM-Ne…
Weak-Lensing Mass Measurements of Five Galaxy Clusters in the South Pole Telescope Survey Using Magellan/Megacam
F. W. High, H. Hoekstra, N. Leethochawalit +83
We use weak gravitational lensing to measure the masses of five galaxy clusters selected from the South Pole Telescope (SPT) survey, with the primary goal of comparing these with t…
Galaxy clusters discovered via the Sunyaev-Zel'dovich effect in the first 720 square degrees of the South Pole Telescope survey
C. L. Reichardt, B. Stalder, L. E. Bleem +77
We present a catalog of 224 galaxy cluster candidates, selected through their Sunyaev-Zel'dovich (SZ) effect signature in the first 720 deg2 of the South Pole Telescope (SPT) surve…
Cosmological Constraints from Sunyaev-Zel'dovich-Selected Clusters with X-ray Observations in the First 178 Square Degrees of the South Pole Telescope Survey
B. A. Benson, T. de Haan, J. P. Dudley +73
We use measurements from the South Pole Telescope (SPT) Sunyaev Zel'dovich (SZ) cluster survey in combination with X-ray measurements to constrain cosmological parameters. We prese…
Discovery and Cosmological Implications of SPT-CL J2106-5844, the Most Massive Known Cluster at z > 1
R. J. Foley, K. Andersson, G. Bazin +70
Using the South Pole Telescope (SPT), we have discovered the most massive known galaxy cluster at z > 1, SPT-CL J2106-5844. In addition to producing a strong Sunyaev-Zel'dovich eff…
X-Ray Emission from Two Infrared-Selected Galaxy Clusters at z>1.4 in the IRAC Shallow Cluster Survey
M. Brodwin, D. Stern, A. Vikhlinin +17
We report the X-ray detection of two z>1.4 infrared-selected galaxy clusters from the IRAC Shallow Cluster Survey (ISCS). We present new data from the Hubble Space Telescope and th…
SPT-CL J0546-5345: A Massive z > 1 Galaxy Cluster Selected Via the Sunyaev-Zel'dovich Effect with the South Pole Telescope
M. Brodwin, J. Ruel, P. A. R. Ade +64
We report the spectroscopic confirmation of SPT-CL J0546-5345 at <z> = 1.067. To date this is the most distant cluster to be spectroscopically confirmed from the 2008 South Pole Te…
X-ray Properties of the First SZE-selected Galaxy Cluster Sample from the South Pole Telescope
K. Andersson, B. A. Benson, P. A. R. Ade +59
We present results of X-ray observations of a sample of 15 clusters selected via their imprint on the cosmic microwave background (CMB) from the thermal Sunyaev-Zel'dovich (SZ) eff…
Discrepant Mass Estimates in the Cluster of Galaxies Abell 1689
E. -H. Peng, K. Andersson, M. W. Bautz +1
We present a new mass estimate of a well-studied gravitational lensing cluster, Abell 1689, from deep Chandra observations with a total exposure of 200 ks. Within r=200 h-1 kpc, th…