activity
20122022
most citedAzimuthally Resolved X-Ray Spectroscopy to the Edge of the Perseus Cluster

105 citations · 554 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.HE2022★ 10 cited

Chandra measurements of gas homogeneity and turbulence at intermediate radii in the Perseus Cluster

Martijn de Vries, Adam B. Mantz, Steven W. Allen +6

We present a Chandra study of surface brightness fluctuations in the diffuse intracluster medium of the Perseus Cluster. Our study utilizes deep, archival imaging of the cluster co…

astro-ph.CO2021★ 62 cited

Cosmological Constraints from Gas Mass Fractions of Massive, Relaxed Galaxy Clusters

Adam B. Mantz, Steven W. Allen, Rebecca E. A. Canning +14

We present updated cosmological constraints from measurements of the gas mass fractions () of massive, dynamically relaxed galaxy clusters. Our new data set has greater le…

astro-ph.GA2020★ 14 cited

The environmental dependence of X-ray AGN activity at

E. Noordeh, R. E. A. Canning, A. King +9

We present an analysis of the X-ray Active Galactic Nucleus (AGN) population in a sample of seven massive galaxy clusters in the redshift range . We utilize high-quali…

astro-ph.HE2014★ 84 cited

The growth of the galaxy cluster Abell 85: mergers, shocks, stripping and seeding of clumping

Y. Ichinohe, N. Werner, A. Simionescu +5

We present the results of deep Chandra, XMM-Newton and Suzaku observations of the nearby galaxy cluster Abell 85, which is currently undergoing at least two mergers, and in additio…

astro-ph.GA2014★ 42 cited

X-ray bright active galactic nuclei in massive galaxy clusters III: New insights into the triggering mechanisms of cluster AGN

S. Ehlert, S. W. Allen, W. N. Brandt +6

We present the results of a new analysis of the X-ray selected Active Galactic Nuclei (AGN) population in the vicinity of 135 of the most massive galaxy clusters in the redshift ra…

astro-ph.GA2014★ 20 cited

HST-COS Spectroscopy of the Cooling Flow in Abell 1795 - Evidence for Inefficient Star Formation in Condensing Intracluster Gas

Michael McDonald, Joel C. Roediger, Sylvain Veilleux +1

We present far-UV spectroscopy from the Cosmic Origins Spectrograph on the Hubble Space Telescope of a cool, star-forming filament in the core of Abell 1795. These data, which span…

astro-ph.GA2014★ 23 cited

A very deep Chandra observation of Abell 1795: The Cold Front and Cooling Wake

S. Ehlert, M. McDonald, E. D. Miller +2

We present a new analysis of very deep Chandra observations of the galaxy cluster Abell 1795. Utilizing nearly 750 ks of net ACIS imaging, we are able to resolve the thermodynamic…

astro-ph.CO2013★ 55 cited

X-ray Bright Active Galactic Nuclei in Massive Galaxy Clusters II: The Fraction of Galaxies Hosting Active Nuclei

S. Ehlert, A. von der Linden, S. W. Allen +7

We present a measurement of the fraction of cluster galaxies hosting X-ray bright Active Galactic Nuclei (AGN) as a function of clustercentric distance scaled in units of …

astro-ph.CO2013★ 105 cited

Azimuthally Resolved X-Ray Spectroscopy to the Edge of the Perseus Cluster

O. Urban, A. Simionescu, N. Werner +9

We present the results from extensive, new observations of the Perseus Cluster of galaxies, obtained as a Suzaku Key Project. The 85 pointings analyzed span eight azimuthal directi…

astro-ph.CO2013★ 67 cited

Probing the extreme realm of AGN feedback in the massive galaxy cluster, RX J1532.9+3021

J. Hlavacek-Larrondo, S. W. Allen, G. B. Taylor +7

We present a detailed Chandra, XMM-Newton, VLA and HST analysis of one of the strongest cool core clusters known, RX J1532.9+3021 (z=0.3613). Using new, deep 90 ks Chandra observat…

astro-ph.CO2012★ 29 cited

Ripping Apart at the Seams: The Network of Stripped Gas Surrounding M86

S. Ehlert, N. Werner, A. Simionescu +4

We present a new study of the Virgo Cluster galaxies M86, M84, NGC 4338, and NGC 4438 using a mosaic of five separate pointings with XMM-Newton. Our observations allow for robust m…

astro-ph.CO2012★ 43 cited

X-ray Bright Active Galactic Nuclei in Massive Galaxy Clusters I: Number Counts and Spatial Distribution

S. Ehlert, S. W. Allen, W. N. Brandt +5

We present an analysis of the X-ray bright point source population in 43 massive clusters of galaxies observed with the Chandra X-ray Observatory. We have constructed a catalog of…