34 citations · 261 across the 23 of their papers we have counts for
23 papers
The Cluster Evolutionary Reference Ensemble at Low- (CEREAL) Sample of Galaxy Clusters I: X-ray Morphological Properties and Demographics
Laurel White, Michael McDonald, Steven W. Allen +8
With rapid improvements in the assembly of large samples of galaxy clusters, we are approaching the ability to study clusters at . Evolutionary studies comparing these d…
Deep Chandra Observations of the z = 1.16 Relaxed, Cool-core Galaxy Cluster SPT-CL J2215-3537
Haley R. Stueber, Adam B. Mantz, Steven W. Allen +10
Galaxy clusters serve as a unique and valuable laboratory for probing cosmological models and understanding astrophysics at the high-mass limit of structure formation. Clusters tha…
Directly Imaging the Cooling Flow in the Phoenix Cluster
Michael Reefe, Michael McDonald, Marios Chatzikos +14
In the centers of many galaxy clusters, the hot (10 K) intracluster medium (ICM) can become dense enough that it should cool on short timescales. However, the low measure…
Cold Gas and Star Formation in the Phoenix Cluster with JWST
Michael Reefe, Michael McDonald, Marios Chatzikos +16
We present integral field unit observations of the Phoenix Cluster with the JWST Mid-infrared Instrument's Medium Resolution Spectrometer (MIRI/MRS). We focus this study on the mol…
The SPT-Chandra BCG Spectroscopic Survey I: Evolution of the Entropy Threshold for Cooling and Feedback in Galaxy Clusters Over the Last 10 Gyr
Michael S. Calzadilla, Michael McDonald, Bradford A. Benson +16
We present a multi-wavelength study of the brightest cluster galaxies (BCGs) in a sample of the 95 most massive galaxy clusters selected from South Pole Telescope (SPT) Sunyaev-Zel…
SPT-CL J2215-3537: A Massive Starburst at the Center of the Most Distant Relaxed Galaxy Cluster
Michael S. Calzadilla, Lindsey E. Bleem, Michael McDonald +14
We present the discovery of the most distant, dynamically relaxed cool core cluster, SPT-CL J2215-3537 (SPT2215) and its central brightest cluster galaxy (BCG) at z=1.16. Using new…
A luminous dust-obscured Tidal Disruption Event candidate in a star forming galaxy at 42 Mpc
Christos Panagiotou, Kishalay De, Megan Masterson +11
While the vast majority of Tidal Disruption Events (TDEs) has been identified by wide-field sky surveys in the optical and X-ray bands, recent studies indicate that a considerable…
Evidence for AGN-Regulated Cooling in Clusters at : A Multi-Wavelength View of SPT-CL J0607-4448
Megan Masterson, Michael McDonald, Behzad Ansarinejad +9
We present a multi-wavelength analysis of the galaxy cluster SPT-CL J0607-4448 (SPT0607), which is one of the most distant clusters discovered by the South Pole Telescope (SPT) at…
Multiple shock fronts in RBS 797: the Chandra window on shock heating in galaxy clusters
F. Ubertosi, M. Gitti, F. Brighenti +11
Using 427 ks of Chandra observations, we present a study of shock heating and ICM cooling in the galaxy cluster RBS 797. We discover three nested pairs of weak shocks at roug…
Redshift Evolution of the Feedback / Cooling Equilibrium in the Core of 48 SPT Galaxy Clusters: A Joint -SPT-ATCA analysis
F. Ruppin, M. McDonald, J. Hlavacek-Larrondo +17
We analyze the cooling and feedback properties of 48 galaxy clusters at redshifts selected from the South Pole Telescope (SPT) catalogs to evolve like the progenito…
Testing the Limits of AGN Feedback and the Onset of Thermal Instability in the Most Rapidly Star Forming Brightest Cluster Galaxies
Michael S. Calzadilla, Michael McDonald, Megan Donahue +8
We present new, deep, narrow- and broad-band Hubble Space Telescope observations of seven of the most star-forming brightest cluster galaxies (BCGs). Continuum-subtracted [O II] ma…
The Evolution of AGN Activity in Brightest Cluster Galaxies
T. Somboonpanyakul, M. McDonald, A. Noble +73
We present the results of an analysis of Wide-field Infrared Survey Explorer (WISE) observations on the full 2500 deg^2 South Pole Telescope (SPT)-SZ cluster sample. We describe a…
Combining Planck and SPT cluster catalogs: cosmological analysis and impact on Planck scaling relation calibration
L. Salvati, A. Saro, S. Bocquet +41
We provide the first combined cosmological analysis of South Pole Telescope (SPT) and Planck cluster catalogs. The aim is to provide an independent calibration for Planck scaling r…
The deepest view of RBS 797: evidence for two pairs of equidistant X-ray cavities
Francesco Ubertosi, Myriam Gitti, Fabrizio Brighenti +14
We present the first results of a deep observation of the galaxy cluster RBS 797, whose previous X-ray studies revealed two pronounced X-ray cavities in the east-west (E-…
Multi-scale feedback and feeding in the closest radio galaxy Centaurus A
B. McKinley, S. J. Tingay, M. Gaspari +12
Supermassive black holes and supernovae explosions at the centres of active galaxies power cycles of outflowing and inflowing gas that affect galactic evolution and the overall str…
Synthesizing Stellar Populations in South Pole Telescope Galaxy Clusters: I. Ages of Quiescent Member Galaxies at 0.3 < z < 1.4
Gourav Khullar, Matthew B. Bayliss, Michael D. Gladders +14
Using stellar population synthesis models to infer star formation histories (SFHs), we analyse photometry and spectroscopy of a large sample of quiescent galaxies which are members…
Shocks in the Stacked Sunyaev-Zel'dovich Profiles of Clusters II: Measurements from SPT-SZ + Planck Compton-y Map
D. Anbajagane, C. Chang, B. Jain +43
We search for the signature of cosmological shocks in stacked gas pressure profiles of galaxy clusters using data from the South Pole Telescope (SPT). Specifically, we stack the la…
The History of Metal Enrichment Traced by X-ray Observations of High Redshift Galaxy Clusters
Anthony M. Flores, Adam B. Mantz, Steven W. Allen +7
We present the analysis of deep X-ray observations of 10 massive galaxy clusters at redshifts , with the primary goal of measuring the metallicity of the intraclus…
Stability of Cool Cores During Galaxy Cluster Growth: A Joint /SPT Analysis of 67 Galaxy Clusters Along a Common Evolutionary Track Spanning 9 Gyr
F. Ruppin, M. McDonald, L. E. Bleem +5
We present the results of a joint analysis of X-ray and South Pole Telescope (SPT) SZ observations targeting the first sample of galaxy clusters at , selec…
Observational Evidence for Enhanced Black Hole Accretion in Giant Elliptical Galaxies
Michael McDonald, Brian R. McNamara, Michael S. Calzadilla +5
We present a study of the relationship between black hole accretion rate (BHAR) and star formation rate (SFR) in a sample of giant elliptical galaxies. These galaxies, which live a…
Discovery of a Powerful >10^61 erg AGN Outburst in Distant Galaxy Cluster SPT-CLJ0528-5300
Michael S. Calzadilla, Michael McDonald, Matthew Bayliss +9
We present ~103 ks of Chandra observations of the galaxy cluster SPT-CLJ0528-5300 (SPT0528, z=0.768). This cluster harbors the most radio-loud (L_1.4GHz = 1.01 x 10^33 erg/s/Hz) ce…
Strong Lensing Model of SPT-CLJ0356-5337, a Major Merger Candidate at Redshift 1.0359
Guillaume Mahler, Keren Sharon, Michael D. Gladders +10
We present an analysis of the mass distribution inferred from strong lensing by SPT-CL J0356-5337, a cluster of galaxies at redshift z = 1.0359 revealed in the follow-up of the SPT…
Revealing a Highly-Dynamic Cluster Core in Abell 1664 with Chandra
Michael S. Calzadilla, Helen R. Russell, Michael McDonald +11
We present new, deep (245 ks) Chandra observations of the galaxy cluster Abell 1664 (). These images reveal rich structure, including elongation and accompanying compre…