Search Results - "Vernstrom, T."

Differences in Faraday Rotation between Adjacent Extragalactic Radio Sources as a Probe of Cosmic Magnetic Fields by Vernstrom, T., Gaensler, B. M., Rudnick, L., Andernach, H.

“…Faraday rotation measures (RMs) of extragalactic radio sources provide information on line-of-sight magnetic fields, including contributions from our Galaxy,…”
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Constraints on large-scale magnetic fields in the intergalactic medium using cross-correlation methods by Amaral, A D, Vernstrom, T, Gaensler, B M

“…ABSTRACT Large-scale coherent magnetic fields in the intergalactic medium (IGM) are presumed to play a key role in the formation and evolution of the cosmic…”
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Discovery of magnetic fields along stacked cosmic filaments as revealed by radio and X-ray emission by Vernstrom, T, Heald, G, Vazza, F, Galvin, T J, West, J L, Locatelli, N, Fornengo, N, Pinetti, E

“…ABSTRACT Diffuse filaments connect galaxy clusters to form the cosmic web. Detecting these filaments could yield information on the magnetic field strength,…”
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New constraints on the magnetization of the cosmic web using LOFAR Faraday rotation observations by O’Sullivan, S P, Brüggen, M, Vazza, F, Carretti, E, Locatelli, N T, Stuardi, C, Vacca, V, Vernstrom, T, Heald, G, Horellou, C, Shimwell, T W, Hardcastle, M J, Tasse, C, Röttgering, H

“…ABSTRACT Measuring the properties of extragalactic magnetic fields through the effect of Faraday rotation provides a means to understand the origin and…”
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Magnetic field strength in cosmic web filaments by Carretti, Ettore, Vacca, V, O’Sullivan, S P, Heald, G H, Horellou, C, Röttgering, H J A, Scaife, A M M, Shimwell, T W, Shulevski, A, Stuardi, C, Vernstrom, T

“…ABSTRACT We used the rotation measure (RM) catalogue derived from the LOFAR Two-metre Sky Survey Data Release 2 (LoTSS DR2) at 144 MHz to measure the evolution…”
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The redshift evolution of extragalactic magnetic fields by Pomakov, V P, O’Sullivan, S P, Brüggen, M, Vazza, F, Carretti, E, Heald, G H, Horellou, C, Shimwell, T, Shulevski, A, Vernstrom, T

“…ABSTRACT Faraday rotation studies of distant radio sources can constrain the evolution and the origin of cosmic magnetism. We use data from the LOFAR Two-Metre…”
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RESOLVING THE RADIO SOURCE BACKGROUND: DEEPER UNDERSTANDING THROUGH CONFUSION by CONDON, J. J, COTTON, W. D, FOMALONT, E. B, KELLERMANN, K. I, MILLER, N, PERLEY, R. A, SCOTT, D, VERNSTROM, T, WALL, J. V

“…We used the Karl G. Jansky Very Large Array to image one primary beam area at 3 GHz with 8" FWHM resolution and 1.0 mu Jy beam super(-1) rms noise near the…”
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Mysterious odd radio circle near the large magellanic cloud – an intergalactic supernova remnant? by Filipović, Miroslav D, Payne, J L, Alsaberi, R Z E, Norris, R P, Macgregor, P J, Rudnick, L, Koribalski, B S, Leahy, D, Ducci, L, Kothes, R, Andernach, H, Barnes, L, Bojičić, I S, Bozzetto, L M, Brose, R, Collier, J D, Crawford, E J, Crocker, R M, Dai, S, Galvin, T J, Haberl, F, Heber, U, Hill, T, Hopkins, A M, Hurley-Walker, N, Ingallinera, A, Jarrett, T, Kavanagh, P J, Lenc, E, Luken, K J, Mackey, D, Manojlović, P, Maggi, P, Maitra, C, Pennock, C M, Points, S, Riggi, S, Rowell, G, Safi-Harb, S, Sano, H, Sasaki, M, Shabala, S, Stevens, J, van Loon, J Th, Tothill, N F H, Umana, G, Urošević, D, Velović, V, Vernstrom, T, West, J L, Wan, Z

“…ABSTRACT We report the discovery of J0624–6948, a low-surface brightness radio ring, lying between the Galactic Plane and the large magellanic cloud (LMC). It…”
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A deep ALMA image of the Hubble Ultra Deep Field by Dunlop, J. S., McLure, R. J., Biggs, A. D., Geach, J. E., Michałowski, M. J., Ivison, R. J., Rujopakarn, W., van Kampen, E., Kirkpatrick, A., Pope, A., Scott, D., Swinbank, A. M., Targett, T. A., Aretxaga, I., Austermann, J. E., Best, P. N., Bruce, V. A., Chapin, E. L., Charlot, S., Cirasuolo, M., Coppin, K., Ellis, R. S., Finkelstein, S. L., Hayward, C. C., Hughes, D. H., Ibar, E., Jagannathan, P., Khochfar, S., Koprowski, M. P., Narayanan, D., Nyland, K., Papovich, C., Peacock, J. A., Rieke, G. H., Robertson, B., Vernstrom, T., Werf, P. P. van der, Wilson, G. W., Yun, M.

“…Abstract We present the results of the first, deep Atacama Large Millimeter Array (ALMA) imaging covering the full ≃4.5 arcmin2 of the Hubble Ultra Deep Field…”
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Magnetic field evolution in cosmic filaments with LOFAR data by Carretti, E, O’Sullivan, S P, Vacca, V, Vazza, F, Gheller, C, Vernstrom, T, Bonafede, A

“…ABSTRACT Measuring the magnetic field in cosmic filaments reveals how the Universe is magnetized and the process that magnetized it. Using the Rotation…”
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A MeerKAT-meets-LOFAR study of MS 1455.0 + 2232: a 590 kiloparsec ‘mini’-halo in a sloshing cool-core cluster by Riseley, C J, Rajpurohit, K, Loi, F, Botteon, A, Timmerman, R, Biava, N, Bonafede, A, Bonnassieux, E, Brunetti, G, Enßlin, T, Di Gennaro, G, Ignesti, A, Shimwell, T, Stuardi, C, Vernstrom, T, van Weeren, R J

“…ABSTRACT Radio mini-haloes are poorly understood, moderately extended diffuse radio sources that trace the presence of magnetic fields and relativistic…”
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Deep 3-GHz observations of the Lockman Hole North with the Very Large Array – II. Catalogue and μJy source properties by Vernstrom, T, Scott, Douglas, Wall, J V, Condon, J J, Cotton, W D, Kellermann, K I, Perley, R A

“…This is the second of two papers describing the observations and source catalogues derived from sensitive 3-GHz images of the Lockman Hole North using the Karl…”
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The Angular Size Distribution of μJy Radio Sources by Cotton, W. D., Condon, J. J., Kellermann, K. I., Lacy, M., Perley, R. A., Matthews, A. M., Vernstrom, T., Scott, Douglas, Wall, J. V.

“…Abstract We made two new sensitive (rms noise μ Jy beam −1 ) high-resolution ( θ  = 3.″0 and θ  = 0.″66 FWHM) S-band (2 <  ν  < 4 GHz) images covering a single…”
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Radio fossils, relics, and haloes in Abell 3266: cluster archaeology with ASKAP-EMU and the ATCA by Riseley, C J, Bonnassieux, E, Vernstrom, T, Galvin, T J, Chokshi, A, Botteon, A, Rajpurohit, K, Duchesne, S W, Bonafede, A, Rudnick, L, Hoeft, M, Quici, B, Eckert, D, Brienza, M, Tasse, C, Carretti, E, Collier, J D, Diego, J M, Di Mascolo, L, Hopkins, A M, Johnston-Hollitt, M, Keel, R R, Koribalski, B S, Reiprich, T H

“…ABSTRACT Abell 3266 is a massive and complex merging galaxy cluster that exhibits significant substructure. We present new, highly sensitive radio continuum…”
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The deep diffuse extragalactic radio sky at 1.75 GHz by Vernstrom, T, Norris, Ray P, Scott, Douglas, Wall, J V

“…We present a study of diffuse extragalactic radio emission at 1.75 GHz from part of the ELAIS-S1 (European Large Area Infrared Space Observatory Survey - South…”
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The cosmic radio background from 150 MHz to 8.4 GHz and its division into AGN and star-forming galaxy flux by Tompkins, Scott A, Driver, Simon P, Robotham, Aaron S G, Windhorst, Rogier A, Lagos, Claudia del P, Vernstrom, T, Hopkins, Andrew M

“…ABSTRACT We present a revised measurement of the extragalactic background light (EBL) at radio frequencies based on a near complete compendium of radio source…”
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Deep 3 GHz number counts from a P(D) fluctuation analysis by Vernstrom, T., Scott, Douglas, Wall, J. V., Condon, J. J., Cotton, W. D., Fomalont, E. B., Kellermann, K. I., Miller, N., Perley, R. A.

“…Radio source counts constrain galaxy populations and evolution, as well as the global star formation history. However, there is considerable disagreement among…”
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Contribution to the diffuse radio background from extragalactic radio sources by Vernstrom, T., Scott, Douglas, Wall, J. V.

“…We examine the brightness of the cosmic radio background (CRB) by comparing the contribution from individual source counts to absolute measurements. We use a…”
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Ram-pressure stripped radio tails detected in the dynamically active environment of the Shapley Supercluster by Merluzzi, P, Venturi, T, Busarello, G, Gennaro, G Di, Giacintucci, S, Casasola, V, Krajnović, D, Vernstrom, T, Carretti, E, Smirnov, O, Trehaeven, K, Anderson, C S, Chesters, J, Heald, G, Hopkins, A M, Koribalski, B

“…ABSTRACT We study the radio continuum emission of four galaxies experiencing ram-pressure stripping in four clusters of the Shapley Supercluster at redshift…”
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Radio polarization properties of quasars and active galaxies at high redshifts by Vernstrom, T, Gaensler, B M, Vacca, V, Farnes, J S, Haverkorn, M, O'Sullivan, S P

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