Evidence for AGN-Regulated Cooling in Clusters at $z\sim 1.4$: A Multi-Wavelength View of SPT-CL J0607-4448

Abstract

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 $z=1.4010\pm 0.0028$. The high-redshift cluster shows clear signs of being relaxed with well-regulated feedback from the active galactic nucleus (AGN) in the brightest cluster galaxy (BCG). Using Chandra X-ray data, we construct thermodynamic profiles and determine the properties of the intracluster medium. The cool core nature of the cluster is supported by a centrally-peaked density profile and low central entropy ($K_0=18_{-9}^{+11}$ keV cm${}^2$), which we estimate assuming an isothermal temperature profile due to the limited spectral information given the distance to the cluster. Using the density profile and gas cooling time inferred from the X-ray data, we find a mass cooling rate of ${\dot{M}}_{\mathrm{cool}}=100_{-60}^{+90}{M}_{\odot }$ yr${}^{-1}$. From optical spectroscopy and photometry around the [O II] emission line, we estimate that the BCG star formation rate is SFR${}_{[\mathrm{O}\mathrm{II}]}=1.7_{-0.6}^{+1.0}{M}_{\odot }$ yr${}^{-1}$, roughly two orders of magnitude lower than the predicted mass cooling rate. In addition, using ATCA radio data at 2.1 GHz, we measure a radio jet power of $P_{\mathrm{cav}}=3.2_{-1.3}^{+2.1}\times 10^{44}$ erg s${}^{-1}$, which is consistent with the X-ray cooling luminosity ($L_{\mathrm{cool}}=1.9_{-0.5}^{+0.2}\times 10^{44}$ erg s${}^{-1}$ within $r_{\mathrm{cool}}=43$ kpc). These findings suggest that SPT0607 is a relaxed, cool core cluster with AGN-regulated cooling at an epoch shortly after cluster formation, implying that the balance between cooling and feedback can be reached quickly. We discuss implications for these findings on the evolution of AGN feedback in galaxy clusters.

arXiv comment13 pages, 5 figures, accepted for publication in ApJ

References in corpus (64)

• Astropy: A Community Python Package for Astronomy
• emcee: The MCMC Hammer
• The NumPy array: a structure for efficient numerical computation
• The Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package
• Star Formation in Galaxies Along the Hubble Sequence
• Starburst99: Synthesis Models for Galaxies with Active Star Formation
• The many lives of active galactic nuclei: cooling flows, black holes and the luminosities and colours of galaxies
• Observational Evidence of AGN Feedback
• HI4PI: A full-sky HI survey based on EBHIS and GASS
• Chandra sample of nearby relaxed galaxy clusters: mass, gas fraction, and mass-temperature relation
• Heating Hot Atmospheres with Active Galactic Nuclei
• A Systematic Study of Radio-Induced X-ray Cavities in Clusters, Groups, and Galaxies
• Calibration of X-ray absorption in our Galaxy
• Galaxy Clusters Discovered via the Sunyaev-Zel'dovich Effect in the 2500-square-degree SPT-SZ survey
• The 10 Meter South Pole Telescope
• Mechanical Feedback from Active Galactic Nuclei in Galaxies, Groups, and Clusters
• The Feedback-Regulated Growth of Black Holes and Bulges through Gas Accretion and Starbursts in Cluster Central Dominant Galaxies
• Intracluster Medium Entropy Profiles for a Chandra Archival Sample of Galaxy Clusters
• High Resolution X-ray Spectroscopic Constraints on Cooling-Flow Models for Clusters of Galaxies
• X-ray Spectroscopy of Cooling Clusters
• A relationship between AGN jet power and radio power
• What is a Cool-Core Cluster? A Detailed Analysis of the Cores of the X-ray Flux-Limited HIFLUGCS Cluster Sample
• [OII] as a Star Formation Rate Indicator
• The ROSAT Brightest Cluster Sample (BCS): -- III. Optical spectra of the central cluster galaxies
• The baseline intracluster entropy profile from gravitational structure formation
• Optical Star-Formation Rate Indicators
• The Atacama Cosmology Telescope: A Catalog of > 4000 Sunyaev-Zel'dovich Galaxy Clusters
• An Infrared Survey of Brightest Cluster Galaxies. II: Why are Some Brightest Cluster Galaxies Forming Stars?
• Metallicity Gradients in X-ray Clusters of Galaxies
• Supermassive Black Holes in Elliptical Galaxies: Switching from Very Bright to Very Dim
• Investigating AGN Heating in a Sample of Nearby Clusters
• The Cool-Core Bias in X-ray Galaxy Cluster Samples I: Method And Application To HIFLUGCS
• The SPTpol Extended Cluster Survey
• ASCA Measurements of Silicon and Iron Abundances in the Intracluster Medium
• On the Origin of the Extended Halpha Filaments in Cooling Flow Clusters
• Lack of Evolution in the Iron Abundance in Clusters of Galaxies and Implications for the Global Star Formation Rate at High Redshift
• 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
• An Empirical Calibration of Star Formation Rate Estimators
• The Atacama Cosmology Telescope: The Two-Season ACTPol Sunyaev-Zel'dovich Effect Selected Cluster Catalog
• Extreme AGN feedback in the Massive Cluster Survey (MACS): a detailed study of X-ray cavities at z > 0.3
• X-ray cavities in a sample of 83 SPT-selected clusters of galaxies: Tracing the evolution of AGN feedback in clusters of galaxies out to z=1.2
• The Remarkable Similarity of Massive Galaxy Clusters From z~0 to z~1.9
• Revisiting the Cooling Flow Problem in Galaxies, Groups, and Clusters of Galaxies
• Star-Forming Brightest Cluster Galaxies at 0.25 < z < 1.25: A Transitioning Fuel Supply
• A Comprehensive Study of the Radio Properties of Brightest Cluster Galaxies
• A uniform metallicity in the outskirts of massive, nearby galaxy clusters
• The Athena space X-ray Observatory and the astrophysics of hot plasma
• The Effect of Environment on the Formation of Halpha Filaments and Cool Cores in Galaxy Groups and Clusters
• Galaxy Clusters Selected via the Sunyaev-Zel'dovich Effect in the SPTpol 100-Square-Degree Survey
• The Evolution of the Intracluster Medium Metallicity in Sunyaev-Zel'dovich-Selected Galaxy Clusters at 0 < z < 1.5
• OVI Observations of Galaxy Clusters: Evidence for Modest Cooling Flows
• Hydrostatic Chandra X-ray analysis of SPT-selected galaxy clusters - I. Evolution of profiles and core properties
• Testing for X-ray-SZ Differences and Redshift Evolution in the X-ray Morphology of Galaxy Clusters
• Red but not dead : Unveiling the Star-forming Far-infrared Spectral Energy Distribution of SpARCS Brightest Cluster Galaxies at 0 < z < 1.8
• Deep Chandra observation of the galaxy cluster WARPJ1415.1+3612 at z=1: an evolved cool-core cluster at high-redshift
• Stability of Cool Cores During Galaxy Cluster Growth: A Joint $Chandra$/SPT Analysis of 67 Galaxy Clusters Along a Common Evolutionary Track Spanning 9 Gyr
• Evolution of the Thermodynamic Properties of Clusters of Galaxies out to Redshift of 1.8
• The Interplay of Kinetic and Radiative Feedback in Galaxy Clusters
• Cool Core Bias in Sunyaev-Zel'dovich Galaxy Cluster Surveys
• Spectroscopic Confirmation of Five Galaxy Clusters at z > 1.25 in the 2500 sq. deg. SPT-SZ Survey
• Evidence of runaway gas cooling in the absence of supermassive black hole feedback at the epoch of cluster formation
• Hiding in Plain Sight - Recovering Clusters of Galaxies with the Strongest AGN in Their Cores
• The History of Metal Enrichment Traced by X-ray Observations of High Redshift Galaxy Clusters
• The Clusters Hiding in Plain Sight (CHiPS) survey: Complete sample of extreme BCG clusters

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