Search Results - "Martin Ward"

Super-Eddington QSO RX J0439.6-5311 – II. Multiwavelength constraints on the global structure of the accretion flow by Jin, Chichuan, Done, Chris, Ward, Martin, Gardner, Emma

“…Abstract We present a detailed multiwavelength study of an unobscured, highly super-Eddington Type-1 QSO RX J0439.6-5311. We combine the latest XMM–Newton…”
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Super-Eddington QSO RX J0439.6−5311 – I. Origin of the soft X-ray excess and structure of the inner accretion flow by Jin, Chichuan, Done, Chris, Ward, Martin

“…Abstract We report the results from a recent 133 ks XMM–Newton observation of a highly super-Eddington narrow-line Type-1 quasi-stellar object RX J0439.6−5311…”
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A combined optical and X-ray study of unobscured type 1 active galactic nuclei - III. Broad-band SED properties by Jin, Chichuan, Ward, Martin, Done, Chris

“…Abstract In this third paper in a series of three, we present a detailed study of the broad-band spectral energy distribution (SED) of active galactic nuclei…”
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Overdiagnosis and child health by Ward Platt, Martin

“…Black and Welch published their landmark paper on the overestimation of disease prevalence 25 years ago, and even then they saw the problem as having crept up…”
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Validation for Dr Apgar’s score by Ward Platt, Martin

“…The third is that she published her work in a paediatric journal, when in fact she published it in the now defunct ‘Current Researches in Anesthesia and…”
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The SOUX AGN sample: optical/UV/X-ray SEDs and the nature of the disc by Mitchell, Jake A J, Done, Chris, Ward, Martin J, Kynoch, Daniel, Hagen, Scott, Lusso, Elisabeta, Landt, Hermine

“…ABSTRACT We use the SOUX sample of ∼700 active galactic nucleus (AGN) to form average optical-ultraviolet (UV)-X-rays spectral energy distributions (SEDs) on a…”
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Looking after each other when a child dies by Ward Platt, Martin

“…The ways in which trainees become involved with the child and the family, before and after the death, are necessarily different in each context. Since these…”
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Multiple locations of near-infrared coronal lines in NGC 5548 by Kynoch, Daniel, Landt, Hermine, Dehghanian, Maryam, Ward, Martin J, Ferland, Gary J

“…We present the first intensive study of the variability of the near-infrared coronal lines in an active galactic nucleus (AGN). We use data from a 1-yr-long…”
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A long XMM–Newton observation of an extreme narrow-line Seyfert 1: PG 1244+026 by Jin, Chichuan, Done, Chris, Middleton, Matthew, Ward, Martin

“…We explore the origin of the strong soft X-ray excess in narrow-line Seyfert 1 galaxies using spectral-timing information from a 120 ks XMM-Newton observation…”
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The SOUX AGN sample: SDSS–XMM-Newton optical, ultraviolet, and X-ray selected active galactic nuclei spanning a wide range of parameter space – sample definition by Kynoch, Daniel, Mitchell, Jake A J, Ward, Martin J, Done, Chris, Lusso, Elisabeta, Landt, Hermine

“…Abstract We assemble a sample of 696 type 1 active galactic nuclei (AGN) up to a redshift of z = 2.5, all of which have an SDSS spectrum containing at least…”
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Life beyond 30: Probing the −20 < M UV < −17 Luminosity Function at 8 < z < 13 with the NIRCam Parallel Field of the MIRI Deep Survey by Pérez-González, Pablo G., Costantin, Luca, Langeroodi, Danial, Rinaldi, Pierluigi, Annunziatella, Marianna, Ilbert, Olivier, Colina, Luis, Nørgaard-Nielsen, Hans Ulrik, Greve, Thomas R., Östlin, Göran, Wright, Gillian, Alonso-Herrero, Almudena, Álvarez-Márquez, Javier, Caputi, Karina I., Eckart, Andreas, Le Fèvre, Olivier, Labiano, Álvaro, García-Marín, Macarena, Hjorth, Jens, Kendrew, Sarah, Pye, John P., Tikkanen, Tuomo, van der Werf, Paul, Walter, Fabian, Ward, Martin, Bik, Arjan, Boogaard, Leindert, Bosman, Sarah E. I., Gómez, Alejandro Crespo, Gillman, Steven, Iani, Edoardo, Jermann, Iris, Melinder, Jens, Meyer, Romain A., Moutard, Thibaud, van Dishoek, Ewine, Henning, Thomas, Lagage, Pierre-Olivier, Guedel, Manuel, Peissker, Florian, Ray, Tom, Vandenbussche, Bart, García-Argumánez, Ángela, María Mérida, Rosa

“…We present the ultraviolet luminosity function and an estimate of the cosmic star formation rate density at 8 < z < 13 derived from deep NIRCam observations…”
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The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy 1H 0323+342 by Kynoch, Daniel, Landt, Hermine, Ward, Martin J, Done, Chris, Gardner, Emma, Boisson, Catherine, Arrieta-Lobo, Maialen, Zech, Andreas, Steenbrugge, Katrien, Pereira Santaella, Miguel

“…Abstract The detection of several radio-loud narrow-line Seyfert 1 (NLS1) galaxies by the Fermi Gamma-Ray Space Telescope hints at the existence of a rare, new…”
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Determining the torus covering factors for a sample of type 1 AGN in the local Universe by Ezhikode, Savithri H., Gandhi, Poshak, Done, Chris, Ward, Martin, Dewangan, Gulab C., Misra, Ranjeev, Philip, Ninan Sajeeth

“…Abstract In the unified scheme of active galactic nuclei, a dusty torus absorbs and then reprocesses a fraction of the intrinsic luminosity which is emitted at…”
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Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets by Oswald, Iain, Gasol-Cardona, Julia, Ward, Martin R., Gutowski, Olof, Drnec, Jakub, Jandl, Christian, Stam, Danny, Maloney, Andrew G.P., Markl, Daniel, Price, Stephen W.T.

“…X‐ray Diffraction Computed Tomography (XRD‐CT) represents a cutting‐edge method for non‐destructive material analysis, offering the unique capability of…”
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The ‘Big Dipper’: the nature of the extreme variability of the AGN SDSS J2232−0806 by Kynoch, Daniel, Ward, Martin J, Lawrence, Andy, Bruce, Alastair G, Landt, Hermine, MacLeod, Chelsea L

“…Abstract SDSS J2232−0806 (the ‘Big Dipper’) has been identified as a ‘slow-blue nuclear hypervariable’: a galaxy with no previously known active nucleus, blue…”
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A periodicity of ∼1 hour in X-ray emission from the active galaxy RE J1034+396 by Gierli ski, Marek, Middleton, Matthew, Ward, Martin, Done, Chris

“…Active galactic nuclei and quasars are thought to be scaled-up versions of Galactic black hole binaries, powered by accretion onto supermassive black holes…”
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Reaching the peak of the quasar spectral energy distribution – II. Exploring the accretion disc, dusty torus and host galaxy by Collinson, James S, Ward, Martin J, Landt, Hermine, Done, Chris, Elvis, Martin, McDowell, Jonathan C

“…We continue our study of the spectral energy distributions (SEDs) of 11 active galactic nuclei (AGN) at 1.5 < z < 2.2, with optical-near-infrared (NIR)…”
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A glint in the eye: Photographic plate archive searches for non-terrestrial artefacts by Villarroel, Beatriz, Mattsson, Lars, Guergouri, Hichem, Solano, Enrique, Geier, Stefan, Dom, Onyeuwaoma Nnaemeka, Ward, Martin J.

“…In this paper, we present a simple strategy to identify Non-Terrestrial artefacts [NTAs; Haqq-Misra and Kopparapu (2012)] in or near geosynchronous Earth…”
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Exploring the effects of high pressure on hydrogen bonding in pharmaceutical cocrystals: A systematic study of pyridine dicarboxylic acid systems using synchrotron and neutron diffraction by Ward, Martin R., Bull, Craig L., Funnell, Nicolas P., Warren, Mark R., Oswald, Iain D.H.

“…Pharmaceutical cocrystals use common robust hydrogen bonding synthons to create novel materials with different physicochemical properties. In this systematic…”
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A Complex Dust Morphology in the High-luminosity AGN Mrk 876 by Landt, Hermine, Mitchell, Jake A. J., Ward, Martin J., Mercatoris, Paul, Pott, Jörg-Uwe, Horne, Keith, Hernández Santisteban, Juan V., Malhotra, Daksh, Cackett, Edward M., Goad, Michael R., Romero Colmenero, Encarni, Winkler, Hartmut

“…Recent models for the inner structures of active galactic nuclei (AGNs) advocate the presence of a radiatively accelerated dusty outflow launched from the…”
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