Search Results - "Dawson, W. A."

Deep Very Large Array Observations of the Merging Cluster CIZA J2242.8+5301: Continuum and Spectral Imaging by Gennaro, G. Di, van Weeren, R. J., Hoeft, M., Kang, H., Ryu, D., Rudnick, L., Forman, W., Röttgering, H. J. A., Brüggen, M., Dawson, W. A., Golovich, N., Hoang, D. N., Intema, H. T., Jones, C., Kraft, R. P., Shimwell, T. W., Stroe, A.

“…Despite the progress that has been made in understanding radio relics, there are still open questions regarding the underlying particle acceleration…”
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Deep VLA Observations of the Cluster 1RXS J0603.3+4214 in the Frequency Range of 1-2 GHz by Rajpurohit, K., Hoeft, M., van Weeren, R. J., Rudnick, L., Röttgering, H. J. A., Forman, W. R., Brüggen, M., Croston, J. H., Andrade-Santos, F., Dawson, W. A., Intema, H. T., Kraft, R. P., Jones, C., Jee, M. James

“…We report L-band VLA observations of 1RXS J0603.3+4214, a cluster that hosts a bright radio relic, known as the Toothbrush, and an elongated giant radio halo…”
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Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers by Golovich, N., Dawson, W. A., Wittman, D. M., Weeren, R. J. van, Andrade-Santos, F., Jee, M. J., Benson, B., Gasperin, F. de, Venturi, T., Bonafede, A., Sobral, D., Ogrean, G. A., Lemaux, B. C., Brada, M., Brüggen, M., Peter, A.

“…Golovich et al. present an optical imaging and spectroscopic survey of 29 radio relic merging galaxy clusters. In this paper, we study this survey to identify…”
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CONSTRAINING SOURCE REDSHIFT DISTRIBUTIONS WITH GRAVITATIONAL LENSING by WITTMAN, D, DAWSON, W. A

“…We introduce a new method for constraining the redshift distribution of a set of galaxies, using weak gravitational lensing shear. Instead of using observed…”
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Influence of sex on expansion rate of abdominal aortic aneurysms by Mofidi, R., Goldie, V. J., Kelman, J., Dawson, A. R. W., Murie, J. A., Chalmers, R. T. A.

“…Background: The UK Small Aneurysm Trial suggested that female sex is an independent risk factor for rupture of abdominal aortic aneurysm (AAA). This study…”
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Does diet in Celtic Sea fishes reflect prey availability? by Pinnegar, J. K., Trenkel, V. M., Tidd, A. N., Dawson, W. A., Du buit, M. H.

“…Feeding preferences of Celtic Sea fishes were investigated using a database of stomach content records, collected between 1977 and 1994. The diet of cod Gadus…”
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Radio observations of the double-relic galaxy cluster Abell 1240 by Hoang, D N, Shimwell, T W, van Weeren, R J, Intema, H T, Röttgering, H J A, Andrade-Santos, F, Akamatsu, H, Bonafede, A, Brunetti, G, Dawson, W A, Golovich, N, Best, P N, Botteon, A, Brüggen, M, Cassano, R, de Gasperin, F, Hoeft, M, Stroe, A, White, G J

“…We present LOFAR 120 - 168 MHz images of the merging galaxy cluster Abell 1240 that hosts double radio relics. In combination with the GMRT 595-629 MHz and VLA…”
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A powerful double radio relic system discovered in PSZ1 G108.18-11.53: evidence for a shock with non-uniform Mach number? by de Gasperin, F., Intema, H. T., van Weeren, R. J., Dawson, W. A., Golovich, N., Wittman, D., Bonafede, A., Brüggen, M.

“…Diffuse radio emission in the form of radio haloes and relics has been found in a number of merging galaxy clusters. These structures indicate that shock and…”
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Multiwavelength Analysis of the Merging Galaxy Cluster A115 by Kim, Mincheol, Jee, M. James, Finner, Kyle, Golovich, Nathan, Wittman, David M., Weeren, R. J. van, Dawson, W. A.

“…A115 is a merging galaxy cluster at z ∼ 0.2 with a number of remarkable features, including a giant (∼2.5 Mpc) radio relic, two asymmetric X-ray peaks with…”
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Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745 by van Weeren, R. J., Ogrean, G. A., Jones, C., Forman, W. R., Andrade-Santos, F., Pearce, Connor J. J., Bonafede, A., Brüggen, M., Bulbul, E., Clarke, T. E., Churazov, E., David, L., Dawson, W. A., Donahue, M., Goulding, A., Kraft, R. P., Mason, B., Merten, J., Mroczkowski, T., Nulsen, P. E. J., Rosati, P., Roediger, E., Randall, S. W., Sayers, J., Umetsu, K., Vikhlinin, A., Zitrin, A.

“…To investigate the relationship between thermal and non-thermal components in merger galaxy clusters, we present deep JVLA and Chandra observations of the HST…”
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Evidence for a Merger-induced Shock Wave in ZwCl 0008.8+5215 with Chandra and Suzaku by Di Gennaro, G., van Weeren, R. J., Andrade-Santos, F., Akamatsu, H., Randall, S. W., Forman, W., Kraft, R. P., Brunetti, G., Dawson, W. A., Golovich, N., Jones, C.

“…We present the results from new deep Chandra (∼410 ks) and Suzaku (∼180 ks) observations of the merging galaxy cluster ZwCl 0008.8+5215 (z = 0.104). Previous…”
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Aortic Graft Preservation by Debridement and Omental Wrapping by Jamieson, Russell W, Burns, Paul J, Dawson, A. Raymond W, Fraser, Simon C.A

“…Background Aortic graft infection is a rare, but grave, complication in vascular surgery. Graft removal together with extra-anatomical bypass or in situ graft…”
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Spatial and temporal structure of predator–prey relationships in the Celtic Sea fish community by Trenkel, V. M., Pinnegar, J. K., Dawson, W. A., du Buit, M. H., Tidd, A. N.

“…The spatial and temporal structure of predator–prey relationships in the Celtic Sea was investigated for 4 commercially important predator species (codGadus…”
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STAR FORMATION IN THE CLUSTER MERGER DLSCL J0916.2+2953 by Mansheim, A. S., Lemaux, B. C., Dawson, W. A., Lubin, L. M., Wittman, D., Schmidt, S.

“…ABSTRACT We investigate star formation in DLSCL J0916.2+2953, a dissociative merger of two clusters at z = 0.53 that has progressed Gyr since the first…”
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Abell 1033: birth of a radio phoenix by de Gasperin, F., Ogrean, G. A., van Weeren, R. J., Dawson, W. A., Brüggen, M., Bonafede, A., Simionescu, A.

“…Extended steep-spectrum radio emission in a galaxy cluster is usually associated with a recent merger. However, given the complex scenario of galaxy cluster…”
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MC2: A Deeper Look at ZwCl 2341.1+0000 with Bayesian Galaxy Clustering and Weak Lensing Analyses by Benson, B., Wittman, D. M., Golovich, N., Jee, M. James, van Weeren, R. J., Dawson, W. A.

“…ZwCl 2341.1+0000, a merging galaxy cluster with disturbed X-ray morphology and widely separated (∼3 Mpc) double radio relics, was thought to be an extremely…”
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Probabilistic Cosmological Mass Mapping from Weak Lensing Shear by Schneider, M. D., Ng, K. Y., Dawson, W. A., Marshall, P. J., Meyers, J. E., Bard, D. J.

“…We infer gravitational lensing shear and convergence fields from galaxy ellipticity catalogs under a spatial process prior for the lensing potential. We…”
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FRONTIER FIELDS CLUSTERS: DEEP CHANDRA OBSERVATIONS OF THE COMPLEX MERGER MACS J1149.6+2223 by Ogrean, G. A., Weeren, R. J. van, Jones, C., Forman, W., Dawson, W. A., Golovich, N., Andrade-Santos, F., Murray, S. S., Nulsen, P., Roediger, E., Zitrin, A., Bulbul, E., Kraft, R., Goulding, A., Umetsu, K., Mroczkowski, T., Bonafede, A., Randall, S., Sayers, J., Churazov, E., David, L., Merten, J., Donahue, M., Mason, B., Rosati, P., Vikhlinin, A., Ebeling, H.

“…ABSTRACT The Hubble Space Telescope Frontier Fields cluster MACS J1149.6+2223 is one of the most complex merging clusters, believed to consist of four dark…”
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MULTI-WAVELENGTH OBSERVATIONS OF THE DISSOCIATIVE MERGER IN THE GALAXY CLUSTER CIZA J0107.7+5408 by Randall, S. W., Clarke, T. E., Weeren, R. J. van, Intema, H. T., Dawson, W. A., Mroczkowski, T., Blanton, E. L., Bulbul, E., Giacintucci, S.

“…ABSTRACT We present results based on X-ray, optical, and radio observations of the massive galaxy cluster CIZA J0107.7+5408. We find that this system is a…”
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Randomized Controlled Trial of Dual Antiplatelet Therapy in Patients Undergoing Surgery for Critical Limb Ischemia by BURDESS, Anne, NIMMO, Alastair F, GARDEN, O. James, MURIE, John A, DAWSON, A. Raymond W, FOX, Keith A. A, NEWBY, David E

“…Patients with critical limb ischemia have a perioperative cardiovascular morbidity comparable to patients with acute coronary syndromes. We hypothesized that…”
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