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ALMA observations of massive molecular gas filaments encasing radio bubbles in the Phoenix cluster
H. R. Russell, M. McDonald, B. R. McNamara +11
We report new ALMA observations of the CO(3-2) line emission from the molecular gas reservoir in the central galaxy of the Phoenix c…
Mass Distribution in Galaxy Cluster Cores
M. T. Hogan, B. R. McNamara, F. Pulido +5
Many processes within galaxy clusters, such as those believed to govern the onset of thermally unstable cooling and AGN feedback, are dependent upon local dynamical timescales. How…
Molecular Gas Along a Bright H-alpha Filament in 2A 0335+096 Revealed by ALMA
A. N. Vantyghem, B. R. McNamara, H. R. Russell +17
We present ALMA CO(1-0) and CO(3-2) observations of the brightest cluster galaxy (BCG) in the 2A 0335+096 galaxy cluster (z = 0.0346). The total molecular gas mass of (1.13+/-0.15)…
The Mass Distribution of the Unusual Merging Cluster Abell 2146 from Strong Lensing
Joseph E. Coleman, Lindsay J. King, Masamune Oguri +11
Abell 2146 consists of two galaxy clusters that have recently collided close to the plane of the sky, and it is unique in showing two large shocks on $\textit{Chandra X-ray Observa…
The Distribution of Dark and Luminous Matter in the Unique Galaxy Cluster Merger Abell 2146
Lindsay J. King, Douglas I. Clowe, Joseph E. Coleman +9
Abell 2146 ( = 0.232) consists of two galaxy clusters undergoing a major merger. The system was discovered in previous work, where two large shock fronts were detected using the…
The Quiescent Intracluster Medium in the Core of the Perseus Cluster
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +213
Clusters of galaxies are the most massive gravitationally-bound objects in the Universe and are still forming. They are thus important probes of cosmological parameters and a host…
Hitomi constraints on the 3.5 keV line in the Perseus galaxy cluster
Hitomi Collaboration, Felix A. Aharonian, Hiroki Akamatsu +215
High-resolution X-ray spectroscopy with Hitomi was expected to resolve the origin of the faint unidentified E=3.5 keV emission line reported in several low-resolution studies of va…
Detecting edges in the X-ray surface brightness of galaxy clusters
J. S. Sanders, A. C. Fabian, H. R. Russell +2
The effects of many physical processes in the intracluster medium of galaxy clusters imprint themselves in X-ray surface brightness images. It is therefore important to choose opti…
AMI observations of ten CLASH galaxy clusters: SZ and X-ray data used together to determine cluster dynamical states
Clare Rumsey, Malak Olamaie, Yvette C. Perrott +7
Using Arcminute Microkelvin Imager (AMI) SZ observations towards ten CLASH clusters we investigate the influence of cluster mergers on observational galaxy cluster studies. Althoug…
A Mechanism for Stimulating AGN Feedback by Lifting Gas in Massive Galaxies
B. R. McNamara, H. R. Russell, P. E. J. Nulsen +4
Observation shows that nebular emission, molecular gas, and young stars in giant galaxies are associated with rising X-ray bubbles inflated by radio jets launched from nuclear blac…
ALMA observations of cold molecular gas filaments trailing rising radio bubbles in PKS0745-191
H. R. Russell, B. R. McNamara, A. C. Fabian +16
We present ALMA observations of the CO(1-0) and CO(3-2) line emission tracing filaments of cold molecular gas in the central galaxy of the cluster PKS0745-191. The total molecular…
A very deep Chandra view of metals, sloshing and feedback in the Centaurus cluster of galaxies
J. S. Sanders, A. C. Fabian, G. B. Taylor +6
We examine deep Chandra X-ray observations of the Centaurus cluster of galaxies, Abell 3526. Applying a gradient magnitude filter reveals a wealth of structure, from filamentary so…