Search Results - "Petley, J"

Exploring the radio loudness of SDSS quasars with spectral stacking by Arnaudova, M I, Smith, D J B, Hardcastle, M J, Das, S, Drake, A, Duncan, K, Gürkan, G, Magliocchetti, M, Morabito, L K, Petley, J W, Shenoy, S, Tasse, C

“…ABSTRACT We use new 144 MHz observations over 5634 deg2 from the LOFAR (Low Frequency Array) Two-metre Sky Survey (LoTSS) to compile the largest sample of…”
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Connecting radio emission to AGN wind properties with broad absorption line quasars by Petley, J W, Morabito, L K, Alexander, D M, Rankine, A L, Fawcett, V A, Rosario, D J, Matthews, J H, Shimwell, T M, Drabent, A

“…ABSTRACT Broad absorption line quasars (BALQSOs) show strong signatures of powerful outflows, with the potential to alter the cosmic history of their host…”
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A novel Bayesian approach for decomposing the radio emission of quasars: I. Modelling the radio excess in red quasars by Best, P N, Duncan, K J, Calistro-Rivera, G, Morabito, L K, Petley, J W, Prandoni, I, Röttgering, H J A, Smith, D J B

“…ABSTRACT Studies show that both radio jets from the active galactic nuclei (AGNs) and the star formation (SF) activity in quasar host galaxies contribute to…”
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Nanoscale earthquake records preserved in plagioclase microfractures from the lower continental crust by Petley-Ragan, Arianne J, Plümper, Oliver, Ildefonse, Benoit, Jamtveit, Bjørn

“…Seismic faulting causes wall rock damage, which is driven by both mechanical and thermal stress. In the lower crust, co-seismic damage increases wall rock…”
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A novel Bayesian approach for decomposing the radio emission of quasars: I. Modelling the radio excess in red quasars by Yue, B. -H, Best, P. N, Duncan, K. J, Calistro-Rivera, G, Morabito, L. K, Petley, J. W, Prandoni, I, Röttgering, H. J. A, Smith, D. J. B

“…Studies show that both radio jets from the active galactic nuclei (AGN) and the star formation (SF) activity in quasar host galaxies contribute to the quasar…”
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How does the radio enhancement of broad absorption line quasars relate to colour and accretion rate? by Petley, J. W, Morabito, L. K, Rankine, A. L, Richards, G. T, Thomas, N. L, Alexander, D. M, Fawcett, V. A, Rivera, G. Calistro, Prandoni, I, Best, P. N, Kolwa, S

“…The origin of radio emission in different populations of radio-quiet quasars is relatively unknown, but recent work has uncovered various drivers of increased…”
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Connecting radio emission to AGN wind properties with Broad Absorption Line Quasars by Petley, J. W, Morabito, L. K, Alexander, D. M, Rankine, A. L, Fawcett, V. A, Rosario, D. J, Matthews, J. H, Shimwell, T. M, Drabent, A

“…Broad Absorption Line Quasars (BALQSOs) show strong signatures of powerful outflows, with the potential to alter the cosmic history of their host galaxies…”
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Connecting radio emission to AGN wind properties with broad absorption line quasars by Petley, J. W., Morabito, L. K., Alexander, D. M., Rankine, A. L., Fawcett, V. A., Rosario, D. J., Matthews, J. H., Shimwell, T. M., Drabent, A.

“…ABSTRACT Broad absorption line quasars (BALQSOs) show strong signatures of powerful outflows, with the potential to alter the cosmic history of their host…”
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Lower crustal earthquake associated with highly pressurized frictional melts by Zhong, Xin, Petley-Ragan, Arianne J., Incel, Sarah H. M., Dabrowski, Marcin, Andersen, Niels H., Jamtveit, Bjørn

“…Earthquakes at lower crustal depths are common during continental collision. However, the coseismic weakening mechanisms required to propagate an earthquake at…”
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AI planning: solutions for real world problems by Aylett, R.S, Petley, G.J, Chung, P.W.H, Chen, B, Edwards, D.W

“…This paper argues that AI planning is a technology ripe for use on real world problems as shown by a number of current applications. An introduction is given…”
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Exploring the radio-loudness of SDSS quasars with spectral stacking by Arnaudova, M. I, Smith, D. J. B, Hardcastle, M. J, Das, S, Drake, A, Duncan, K, Gürkan, G, Magliocchetti, M, Morabito, L. K, Petley, J. W, Shenoy, S, Tasse, C

“…We use new 144 MHz observations over 5634 deg$^2$ from the LOFAR Two-metre Sky Survey (LoTSS) to compile the largest sample of uniformly-selected,…”
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Into the depths: Unveiling ELAIS-N1 with LOFAR's deepest sub-arcsecond wide-field images by de Jong, J. M. G. H. J, van Weeren, R. J, Sweijen, F, Oonk, J. B. R, Shimwell, T. W, Offringa, A. R, Morabito, L. K, Röttgering, H. J. A, Kondapally, R, Escott, E. L, Best, P. N, Bondi, M, Ye, H, Petley, J. W

“…We present the deepest wide-field 115-166 MHz image at sub-arcsecond resolution spanning an area of 2.5 by 2.5 degrees centred at the ELAIS-N1 deep field. To…”
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The Existence of Threshold Hillslopes in the Denudation of the Landscape by Carson, Michael A., Petley, Derek J.

“…The frequency distribution of angles of straight hillslopes in two areas of strong, well-jointed rock, one on Exmoor and the other in the southern Pennines,…”
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Ubiquitous radio emission in quasars: predominant AGN origin and a connection to jets, dust and winds by Rivera, G. Calistro, Alexander, D. M, Harrison, C. M, Fawcett, V. A, Best, P. N, Williams, W. L, Hardcastle, M. J, Rosario, D. J, Smith, D. J. B, Arnaudova, M. I, Escott, E, Gürkan, G, Kondapally, R, Miley, G, Morabito, L. K, Petley, J, Prandoni, I, Röttgering, H. J. A, Yue, B. -H

“…A&A 691, A191 (2024) We present a comprehensive study of the physical origin of radio emission in optical quasars at redshifts z < 2.5. We focus particularly…”
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New Labour versus Horny Catbabe by Petley, Julian

“…Examines New Labour's stance on video censorship. Identifies a number of important issues it raises around the relationship between the Home Office and the…”
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Planning plant operating procedures for chemical plant by Aylett, R.S., Soutter, J., Petley, G.J., Chung, P.W.H., Edwards, D.

“…All industrial plants require an extensive set of operating procedures. This paper discusses the use of hierarchical nonlinear least-commitment AI planning…”
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The LOFAR Two-Metre Sky Survey (LoTSS): VI. Optical identifications for the second data release by Hardcastle, M. J, Horton, M. A, Williams, W. L, Duncan, K. J, Alegre, L, Barkus, B, Croston, J. H, Dickinson, H, Osinga, E, Röttgering, H. J. A, Sabater, J, Shimwell, T. W, Smith, D. J. B, Best, P. N, Botteon, A, Brüggen, M, Drabent, A, de Gasperin, F, Gürkan, G, Hajduk, M, Hale, C. L, Hoeft, M, Jamrozy, M, Kunert-Bajraszewska, M, Kondapally, R, Magliocchetti, M, Mahatma, V. H, Mostert, R. I. J, O'Sullivan, S. P, Pajdosz-Śmierciak, U, Petley, J, Pierce, J. C. S, Prandoni, I, Schwarz, D. J, Shulewski, A, Siewert, T. M, Stott, J. P, Tang, H, Vaccari, M, Zheng, X, Bailey, T, Desbled, S, Goyal, A, Gonano, V, Hanset, M, Kurtz, W, Lim, S. M, Mielle, L, Molloy, C. S, Roth, R, Terentev, I. A, Torres, M

“…A&A 678, A151 (2023) The second data release of the LOFAR Two-Metre Sky Survey (LoTSS) covers 27% of the northern sky, with a total area of $\sim 5,700$…”
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Further developments in chemical plant cost estimating using fuzzy matching by PETLEY, G. J, EDWARDS, D. W

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Fluorometric Determination of Aluminum by Goon, Edward, Petley, J. E, McMullen, W. H, Wiberley, S. E

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A Retrospective Clinical Study to Evaluate Mineral Trioxide Aggregate (MTA) As A Direct Pulp Capping Agent In A One-Visit Protocol by Petley, Patrick J

“…The purpose of this study was to demonstrate the long-term success that can be achieved by the use of Mineral Trioxide Aggregate (MTA) as a pulp capping agent,…”
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