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10 papers · 2 filters
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 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…
The Geometry of the Infrared and X-ray Obscurer in a Dusty Hyperluminous Quasar
Duncan Farrah, Mislav Balokovic, Daniel Stern +24
We study the geometry of the AGN obscurer in IRAS 09104+4109, an IR-luminous, radio-intermediate FR-I source at , using infrared data from Spitzer and Herschel, X-ray data…
HST imaging of the dusty filaments and nucleus swirl in NGC4696 at the centre of the Centaurus Cluster
A. C. Fabian, S. A. Walker, H. R. Russell +14
Narrow-band HST imaging has resolved the detailed internal structure of the 10 kpc diameter H alpha+[NII] emission line nebulosity in NGC4696, the central galaxy in the nearby Cent…
Chandra X-ray observations of the hyper-luminous infrared galaxy IRAS F15307+3252
J. Hlavacek-Larrondo, P. Gandhi, M. T. Hogan +6
Hyper-luminous infrared galaxies (HyLIRGs) lie at the extreme luminosity end of the IR galaxy population with L. They are thought to be closer counterpa…
Optical Emission Line Nebulae in Galaxy Cluster Cores 1: The Morphological, Kinematic and Spectral Properties of the Sample
S. L. Hamer, A. C. Edge, A. M. Swinbank +9
We present an Integral Field Unit survey of 73 galaxy clusters and groups with the VIsible Multi Object Spectrograph (VIMOS) on VLT. We exploit the data to determine the H gas d…
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…
The connection between AGN-driven dusty outflows and the surrounding environment
W. Ishibashi, A. C. Fabian
Significant reservoirs of cool gas are observed in the circumgalactic medium (CGM) surrounding galaxies. The CGM is also found to contain substantial amounts of metals and dust, wh…
The view of AGN-host alignment via reflection spectroscopy
Matthew J. Middleton, Michael L. Parker, Christopher S. Reynolds +2
The fuelling of active galactic nuclei (AGN) - via material propagated through the galactic disc or via minor mergers - is expected to leave an imprint on the alignment of the sub-…
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…