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Professor Alastair Edge's Outputs (18)

Herschel observations of extended atomic gas in the core of the Perseus cluster (2012)
Journal Article
Mittal, R., Oonk, J. R., Ferland, G. J., Edge, A. C., O'Dea, C. P., Baum, S. A., …Russell, H. (2012). Herschel observations of extended atomic gas in the core of the Perseus cluster. Monthly Notices of the Royal Astronomical Society, 426(4), 2957-2977. https://doi.org/10.1111/j.1365-2966.2012.21891.x

We present Herschel observations of the core of the Perseus cluster of galaxies. Especially intriguing is the network of filaments that surround the brightest cluster galaxy, NGC 1275, previously imaged extensively in Hα and CO. In this work, we repo... Read More about Herschel observations of extended atomic gas in the core of the Perseus cluster.

Discovery of radio haloes and double relics in distant MACS galaxy clusters: clues to the efficiency of particle acceleration (2012)
Journal Article
Bonafede, A., Brüggen, M., van Weeren, R., Vazza, F., Giovannini, G., Ebeling, H., …Klein, U. (2012). Discovery of radio haloes and double relics in distant MACS galaxy clusters: clues to the efficiency of particle acceleration. Monthly Notices of the Royal Astronomical Society, 426(1), 40-56. https://doi.org/10.1111/j.1365-2966.2012.21570.x

We have performed 323 MHz observations with the Giant Metrewave Radio Telescope of the most promising candidates selected from the MACS catalogue. The aim of the work is to extend our knowledge of the radio halo and relic populations to z > 0.3, the... Read More about Discovery of radio haloes and double relics in distant MACS galaxy clusters: clues to the efficiency of particle acceleration.

Diffuse radio emission in MACS J1752.0+4440 (2012)
Journal Article
van Weeren, R., Bonafede, A., Ebeling, H., Edge, A., Brüggen, M., Giovannini, G., …Röttgering, H. (2012). Diffuse radio emission in MACS J1752.0+4440. Monthly Notices of the Royal Astronomical Society: Letters, 425(1), L36-L40. https://doi.org/10.1111/j.1745-3933.2012.01301.x

We report the discovery of large-scale diffuse radio emission in the galaxy cluster MACS J1752.0+4440 (z = 0.366). Using Westerbork Synthesis Radio Telescope (WSRT) observations we find that the cluster hosts a double radio relic system as well as a... Read More about Diffuse radio emission in MACS J1752.0+4440.

LoCuSS: A Dynamical Analysis of X-Ray Active Galactic Nuclei in Local Clusters (2012)
Journal Article
Haines, C., Pereira, M., Sanderson, A., Smith, G., Egami, E., Babul, A., …Okabe, N. (2012). LoCuSS: A Dynamical Analysis of X-Ray Active Galactic Nuclei in Local Clusters. Astrophysical Journal, 754(2), Article 97. https://doi.org/10.1088/0004-637x/754/2/97

We present a study of the distribution of X-ray active galactic nuclei (AGNs) in a representative sample of 26 massive clusters at 0.15 < z < 0.30, combining Chandra observations sensitive to X-ray point sources of luminosity LX ~ 1042 erg s–1 at the... Read More about LoCuSS: A Dynamical Analysis of X-Ray Active Galactic Nuclei in Local Clusters.

Residual cooling and persistent star formation amid active galactic nucleus feedback in Abell 2597 (2012)
Journal Article
Tremblay, G., O'Dea, C., Baum, S., Clarke, T., Sarazin, C., Bregman, J., …Wise, M. (2012). Residual cooling and persistent star formation amid active galactic nucleus feedback in Abell 2597. Monthly Notices of the Royal Astronomical Society, 424(2), 1042-1060. https://doi.org/10.1111/j.1365-2966.2012.21278.x

New Chandra X-ray and Herschel Far-Infrared (FIR) observations enable a multiwavelength study of active galactic nucleus (AGN) heating and intracluster medium (ICM) cooling in the brightest cluster galaxy (BCG) of Abell 2597 (z= 0.0821). The new Chan... Read More about Residual cooling and persistent star formation amid active galactic nucleus feedback in Abell 2597.

Strong lensing by a node of the cosmic web. The core of MACS J0717.5+3745 at z = 0.55 (2012)
Journal Article
Limousin, M., Ebeling, H., Richard, J., Swinbank, A., Smith, G., Jauzac, M., …Kneib, J. (2012). Strong lensing by a node of the cosmic web. The core of MACS J0717.5+3745 at z = 0.55. Astronomy & Astrophysics, 544, Article A71. https://doi.org/10.1051/0004-6361/201117921

We present results of a strong-lensing analysis of MACS J0717.5+3745 (hereafter MACS J0717), an extremely X-ray luminous galaxy cluster at z = 0.55. Observations at different wavelengths reveal a complex and dynamically very active cluster, whose cor... Read More about Strong lensing by a node of the cosmic web. The core of MACS J0717.5+3745 at z = 0.55.

Multiphase signatures of active galactic nucleus feedback in Abell 2597 (2012)
Journal Article
Tremblay, G., O'Dea, C., Baum, S., Clarke, T., Sarazin, C., Bregman, J., …Wise, M. (2012). Multiphase signatures of active galactic nucleus feedback in Abell 2597. Monthly Notices of the Royal Astronomical Society, 424(2), 1026-1041. https://doi.org/10.1111/j.1365-2966.2012.21281.x

We present new Chandra X-ray observations of the brightest cluster galaxy (BCG) in the cool-core cluster Abell 2597 (z= 0.0821). The data reveal an extensive kpc-scale X-ray cavity network as well as a 15-kpc filament of soft-excess gas exhibiting st... Read More about Multiphase signatures of active galactic nucleus feedback in Abell 2597.

On the hunt for ultramassive black holes in brightest cluster galaxies (2012)
Journal Article
Hlavacek-Larrondo, J., Fabian, A., Edge, A., & Hogan, M. (2012). On the hunt for ultramassive black holes in brightest cluster galaxies. Monthly Notices of the Royal Astronomical Society, 424(1), 224-231. https://doi.org/10.1111/j.1365-2966.2012.21187.x

We investigate where brightest cluster galaxies (BCGs) sit on the Fundamental Plane of black hole (BH) activity, an established relation between the X-ray luminosity, the radio luminosity and the mass of a BH. Our sample mostly consists of BCGs that... Read More about On the hunt for ultramassive black holes in brightest cluster galaxies.

Shock fronts, electron-ion equilibration and intracluster medium transport processes in the merging cluster Abell 2146 (2012)
Journal Article
Russell, H., McNamara, B., Sanders, J., Fabian, A., Nulsen, P., Canning, R., …O'Dea, C. (2012). Shock fronts, electron-ion equilibration and intracluster medium transport processes in the merging cluster Abell 2146. Monthly Notices of the Royal Astronomical Society, 423(1), 236-255. https://doi.org/10.1111/j.1365-2966.2012.20808.x

We present a new 400-ks Chandra X-ray observation of the merging galaxy cluster Abell 2146. This deep observation reveals detailed structure associated with the major merger event including the Mach number M= 2.3 ± 0.2 bow shock ahead of the dense, r... Read More about Shock fronts, electron-ion equilibration and intracluster medium transport processes in the merging cluster Abell 2146.

The XMM Cluster Survey: optical analysis methodology and the first data release (2012)
Journal Article
Mehrtens, N., Romer, A. K., Hilton, M., Lloyd-Davies, E., Miller, C. J., Stanford, S., …Ogando, R. (2012). The XMM Cluster Survey: optical analysis methodology and the first data release. Monthly Notices of the Royal Astronomical Society, 423(2), 1024-1052. https://doi.org/10.1111/j.1365-2966.2012.20931.x

The XMM Cluster Survey (XCS) is a serendipitous search for galaxy clusters using all publicly available data in the XMM–Newton Science Archive. Its main aims are to measure cosmological parameters and trace the evolution of X-ray scaling relations. I... Read More about The XMM Cluster Survey: optical analysis methodology and the first data release.

The XMM Cluster Survey: the interplay between the brightest cluster galaxy and the intracluster medium via AGN feedback (2012)
Journal Article
Stott, J. P., Hickox, R. C., Edge, A. C., Collins, C. A., Hilton, M., Harrison, C. D., …Booth, C. (2012). The XMM Cluster Survey: the interplay between the brightest cluster galaxy and the intracluster medium via AGN feedback. Monthly Notices of the Royal Astronomical Society, 422(3), 2213-2229. https://doi.org/10.1111/j.1365-2966.2012.20764.x

Using a sample of 123 X-ray clusters and groups drawn from the XMM Cluster Survey first data release, we investigate the interplay between the brightest cluster galaxy (BCG), its black hole and the intracluster/group medium (ICM). It appears that for... Read More about The XMM Cluster Survey: the interplay between the brightest cluster galaxy and the intracluster medium via AGN feedback.

The relation between line emission and brightest cluster galaxies in three exceptional clusters: evidence for gas cooling from the intracluster medium (2012)
Journal Article
Hamer, S., Edge, A., Swinbank, A., Wilman, R., Russell, H., Fabian, A., …Salomé, P. (2012). The relation between line emission and brightest cluster galaxies in three exceptional clusters: evidence for gas cooling from the intracluster medium. Monthly Notices of the Royal Astronomical Society, 421(4), 3409-3417. https://doi.org/10.1111/j.1365-2966.2012.20566.x

There is a strong spatial correlation between brightest clusters galaxies (BCGs) and the peak density and cooling rate of the intracluster medium (ICM). In this paper we combine integral field spectroscopy, CO observations and X‐ray data to study thr... Read More about The relation between line emission and brightest cluster galaxies in three exceptional clusters: evidence for gas cooling from the intracluster medium.

Extreme AGN feedback in the MAssive Cluster Survey: a detailed study of X-ray cavities at z>0.3 (2012)
Journal Article
Hlavacek-Larrondo, J., Fabian, A., Edge, A., Ebeling, H., Sanders, J., Hogan, M., & Taylor, G. (2012). Extreme AGN feedback in the MAssive Cluster Survey: a detailed study of X-ray cavities at z>0.3. Monthly Notices of the Royal Astronomical Society, 421(2), 1360-1384. https://doi.org/10.1111/j.1365-2966.2011.20405.x

We present the first statistical study of X-ray cavities in distant clusters of galaxies (z > 0.3). With the aim of providing further insight into how active galactic nucleus (AGN) feedback operates at higher redshift, we have analysed the Chandra X-... Read More about Extreme AGN feedback in the MAssive Cluster Survey: a detailed study of X-ray cavities at z>0.3.

The Relation between Cool Cluster Cores and Herschel-detected Star Formation in Brightest Cluster Galaxies (2012)
Journal Article
Rawle, T., Edge, A., Egami, E., Rex, M., Smith, G., Altieri, B., …Zemcov, M. (2012). The Relation between Cool Cluster Cores and Herschel-detected Star Formation in Brightest Cluster Galaxies. Astrophysical Journal, 747(1), Article 29. https://doi.org/10.1088/0004-637x/747/1/29

We present far-infrared (FIR) analysis of 68 brightest cluster galaxies (BCGs) at 0.08 < z < 1.0. Deriving total infrared luminosities directly from Spitzer and Herschel photometry spanning the peak of the dust component (24-500 μm), we calculate the... Read More about The Relation between Cool Cluster Cores and Herschel-detected Star Formation in Brightest Cluster Galaxies.

A bright z = 5.2 lensed submillimeter galaxy in the field of Abell 773 : HLSJ091828.6+514223 (2012)
Journal Article
Combes, F., Rex, M., Rawle, T., Egami, E., Boone, F., Smail, I., …van der Werf, P. (2012). A bright z = 5.2 lensed submillimeter galaxy in the field of Abell 773 : HLSJ091828.6+514223. Astronomy & Astrophysics, 538, Article L4. https://doi.org/10.1051/0004-6361/201118750

During our Herschel Lensing Survey (HLS) of massive galaxy clusters, we have discovered an exceptionally bright source behind the z = 0.22 cluster Abell 773, which appears to be a strongly lensed submillimeter galaxy (SMG) at z = 5.2429. This source... Read More about A bright z = 5.2 lensed submillimeter galaxy in the field of Abell 773 : HLSJ091828.6+514223.