Search Results - "Kay, S. T"

The impact of baryons on the spins and shapes of dark matter haloes by Bryan, S. E., Kay, S. T., Duffy, A. R., Schaye, J., Vecchia, C. Dalla, Booth, C. M.

“…We use numerical simulations to investigate how the statistical properties of dark matter (DM) haloes are affected by the baryonic processes associated with…”
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The XMM Cluster Survey: The Build-up of Stellar Mass in Brightest Cluster Galaxies at High Redshift by Stott, J. P, Collins, C. A, Sahlén, M, Hilton, M, Lloyd-Davies, E, Capozzi, D, Hosmer, M, Liddle, A. R, Mehrtens, N, Miller, C. J, Romer, A. K, Stanford, S. A, Viana, P. T. P, Davidson, M, Hoyle, B, Kay, S. T, Nichol, R. C

“…We present deep J- and K{sub s} -band photometry of 20 high redshift galaxy clusters between z = 0.8 and1.5, 19 of which are observed with the MOIRCS…”
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The baseline intracluster entropy profile from gravitational structure formation by Voit, G. Mark, Kay, Scott T., Bryan, Greg L.

“…The radial entropy profile of the hot gas in clusters of galaxies tends to follow a power law in radius outside of the cluster core. Here we present a simple…”
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Entropy amplification from energy feedback in simulated galaxy groups and clusters by Borgani, S., Finoguenov, A., Kay, S. T., Ponman, T. J., Springel, V., Tozzi, P., Voit, G. M.

“…We use hydrodynamical simulations of galaxy clusters and groups to study the effect of pre-heating on the entropy structure of the intracluster medium. Our…”
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Nature versus nurture: the curved spine of the galaxy cluster X-ray luminosity–temperature relation by Hartley, W. G., Gazzola, L., Pearce, F. R., Kay, S. T., Thomas, P. A.

“…The physical processes that define the spine of the galaxy cluster X-ray luminosity–temperature (L–T) relation are investigated using a large hydrodynamical…”
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Luminous satellite galaxies in gravitational lenses by Bryan, S. E., Mao, S., Kay, S. T.

“…Substructures, expected in cold dark matter haloes, have been proposed to explain the anomalous flux ratios in gravitational lenses. About 25 per cent of…”
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Growing a ‘cosmic beast’: observations and simulations of MACS J0717.5+3745 by Jauzac, M, Eckert, D, Schaller, M, Schwinn, J, Massey, R, Bahé, Y, Baugh, C, Barnes, D, Dalla Vecchia, C, Ebeling, H, Harvey, D, Jullo, E, Kay, S T, Kneib, J-P, Limousin, M, Medezinski, E, Natarajan, P, Nonino, M, Robertson, A, Tam, S I, Umetsu, K

“…ABSTRACT We present a gravitational lensing and X-ray analysis of a massive galaxy cluster and its surroundings. The core of MACS J0717.5+3745 ($M(R\lt 1\,…”
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nIFTy galaxy cluster simulations VI: the dynamical imprint of substructure on gaseous cluster outskirts by Power, C, Elahi, P J, Welker, C, Knebe, A, Pearce, F R, Yepes, G, Davé, R, Kay, S T, McCarthy, I G, Puchwein, E, Borgani, S, Cunnama, D, Cui, W, Schaye, J

“…Abstract Galaxy cluster outskirts mark the transition region from the mildly non-linear cosmic web to the highly non-linear, virialised, cluster interior. It…”
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The entropy distribution in clusters: evidence of feedback? by Kay, Scott T.

“…The entropy of the intracluster medium at large radii has been shown recently to deviate from the self-similar scaling with temperature. Using…”
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The Effect of Radiative Cooling on Scaling Laws of X-Ray Groups and Clusters by Muanwong, O, Thomas, P. A, Kay, S. T, Pearce, F. R, Couchman, H. M. P

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Influence of baryons on the orbital structure of dark matter haloes by Bryan, S. E., Mao, S., Kay, S. T., Schaye, J., Dalla Vecchia, C., Booth, C. M.

“…We explore the dynamical signatures imprinted by baryons on dark matter haloes during the formation process using the OverWhelmingly Large Simulations (OWLS),…”
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The extragalactic submillimetre population: predictions for the SCUBA Half-Degree Extragalactic Survey (SHADES) by van Kampen, Eelco, Percival, Will J., Crawford, Miller, Dunlop, James S., Scott, Susie E., Bevis, Neil, Oliver, Seb, Pearce, Frazer, Kay, Scott T., Gaztañaga, Enrique, Hughes, David H., Aretxaga, Itziar

“…We present predictions for the angular correlation function and redshift distribution for SHADES, the SCUBA Half-Degree Extragalactic Survey, which will yield…”
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Simulated X-ray cluster temperature maps by Onuora, Lesley I., Kay, Scott T., Thomas, Peter A.

“…Temperature maps are presented of the nine largest clusters in the mock catalogues of Muanwong et al. for both the Preheating and Radiative models. The maps…”
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Sunyaev–Zel'dovich predictions for the Planck Surveyor satellite using the Hubble Volume simulations by Kay, Scott T., Liddle, Andrew R., Thomas, Peter A.

“…We use the billion-particle Hubble Volume simulations to make statistical predictions for the distribution of galaxy clusters that will be observed by the…”
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The XMM Cluster Survey: A Massive Galaxy Cluster at z = 1.45 by Stanford, S. A, Romer, A. Kathy, Sabirli, Kivanc, Davidson, Michael, Hilton, Matt, Viana, Pedro T. P, Collins, Chris A, Kay, Scott T, Liddle, Andrew R, Mann, Robert G, Miller, Christopher J, Nichol, Robert C, West, Michael J, Conselice, Christopher J, Spinrad, Hyron, Stern, Daniel, Bundy, Kevin

“…We report the discovery of XMMXCS J2215.9-1738, a massive galaxy cluster at z = 1.45, which was found in the XMM Cluster Survey. The cluster candidate was…”
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The effect of cooling and preheating on the X-ray properties of clusters of galaxies by Muanwong, Orrarujee, Thomas, Peter A., Kay, Scott T., Pearce, Frazer R.

“…Abstract We calculate X-ray properties of present-day galaxy clusters from hydrodynamical cosmological simulations of the ΛCDM cosmology and compare these with…”
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Hydrodynamical simulations of the Sunyaev-Zel'dovich effect: cluster scaling relations and X-ray properties by Da Silva, Antonio C., Kay, Scott T., Liddle, Andrew R., Thomas, Peter A.

“…ABSTRACT The Sunyaev–Zel'dovich (SZ) effect is a powerful new tool for finding and studying clusters at high redshift, particularly in combination with their…”
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Including star formation and supernova feedback within cosmological simulations of galaxy formation by Kay, Scott T., Pearce, Frazer R., Frenk, Carlos S., Jenkins, Adrian

“…We investigate phenomenological models of star formation and supernova feedback in N-body/SPH simulations of galaxy formation. First, we compare different…”
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The XMM Cluster Survey: The Dynamical State of XMMXCS J2215.9–1738 at z = 1.457 by Hilton, Matt, Collins, Chris A, Stanford, S. Adam, Lidman, Chris, Dawson, Kyle S, Davidson, Michael, Kay, Scott T, Liddle, Andrew R, Mann, Robert G, Miller, Christopher J, Nichol, Robert C, Romer, A. Kathy, Sabirli, Kivanc, Viana, Pedro T. P, West, Michael J

“…We present new spectroscopic observations of the most distant X-ray-selected galaxy cluster currently known, XMMXCS J2215.9-1738 at z = 1.457, obtained with…”
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The merger history of clusters and its effect on the X-ray properties of the intracluster medium by Rowley, David R., Thomas, Peter A., Kay, Scott T.

“…ABSTRACT We investigate the growth over time of 20 massive (>3 keV) clusters in a hydrodynamical simulation of the Λ cold dark matter cosmology with radiative…”
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