Now showing items 545-564 of 631

  • Sunspot rotation : II. Effects of varying the field strength and twist of an emerging flux tube 

    Sturrock, Zoe; Hood, Alan William (2016-09) - Journal article
    Context. Observations of flux emergence indicate that rotational velocities may develop within sunspots. However, the dependence of this rotation on sub-photospheric field strength and twist remains largely unknown. Aims. ...
  • Sunspot rotation. I : A consequence of flux emergence 

    Sturrock, Zoe; Hood, Alan William; Archontis, Vasilis; McNeill, Craig (2015-10-12) - Journal article
    Context. Solar eruptions and high flare activity often accompany the rapid rotation of sunspots. The study of sunspot rotation and the mechanisms driving this motion are therefore key to our understanding of how the solar ...
  • A super-Jupiter orbiting a late-type star : a refined analysis of microlensing event OGLE-2012-BLG-0406 

    Tsapras, Y.; Choi, J.-Y.; Street, R.A.; Han, C.; Bozza, V.; Gould, A.; Dominik, M.; Beaulieu, J.-P.; Udalski, A.; Jørgensen, U.G.; Sumi, T.; Bramich, D.M.; Browne, P.; Horne, K.; Hundertmark, M.; Ipatov, S.; Kains, N.; Snodgrass, C.; Steele, I.A.; Alsubai, K.A.; Andersen, J.M.; Novati, S.C.; Damerdji, Y.; Diehl, C.; Elyiv, A.; Giannini, E.; Hardis, S.; Harpsøe, K.; Hinse, T.C.; Juncher, D.; Kerins, E.; Korhonen, H.; Liebig, C.; Mancini, L.; Mathiasen, M.; Penny, M.T.; Rabus, M.; Rahvar, S.; Scarpetta, G.; Skottfelt, J.; Southworth, J.; Surdej, J.; Tregloan-Reed, J.; Vilela, C.; Wambsganss, J.; Skowron, J.; Poleski, R.; Kozłowski, S.; Wyrzykowski, Ł.; Szymański, M.K.; Kubiak, M.; Pietrukowicz, P.; Pietrzyński, G.; Soszyński, I.; Ulaczyk, K.; Albrow, M.D.; Bachelet, E.; Barry, R.; Batista, V.; Bhattacharya, A.; Brillant, S.; Caldwell, J.A.R.; Cassan, A.; Cole, A.; Corrales, E.; Coutures, C.; Dieters, S.; Dominis Prester, D.; Donatowicz, J.; Fouqué, P.; Greenhill, J.; Kane, S.R.; Kubas, D.; Marquette, J.-B.; Menzies, J.; Père, C.; Pollard, K.R.; Zub, M.; Christie, G.; Depoy, D.L.; Dong, S.; Drummond, J.; Gaudi, B.S.; Henderson, C.B.; Hwang, K.H.; Jung, Y.K.; Kavka, A.; Koo, J.-R.; Lee, C.-U.; Maoz, D.; Monard, L.A.G.; Natusch, T.; Ngan, H.; Park, H.; Pogge, R.W.; Porritt, I.; Shin, I.-G.; Shvartzvald, Y.; Tan, T.G.; Yee, J.C.; Abe, F.; Bennett, D.P.; Bond, I.A.; Botzler, C.S.; Freeman, M.; Fukui, A.; Fukunaga, D.; Itow, Y.; Koshimoto, N.; Ling, C.H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Namba, S.; Ohnishi, K.; Rattenbury, N.J.; Saito, T.; Sullivan, D.J.; Sweatman, W.L.; Suzuki, D.; Tristram, P.J.; Tsurumi, N.; Wada, K.; Yamai, N.; Yock, P.C.M.; Yonehara, A. (2014-02-10) - Journal article
    We present a detailed analysis of survey and follow-up observations of microlensing event OGLE-2012-BLG-0406 based on data obtained from 10 different observatories. Intensive coverage of the light curve, especially the ...
  • Suppressing star formation in quiescent galaxies with supermassive black hole winds 

    Cheung, Edmond; Bundy, Kevin; Cappellari, Michele; Peirani, Sébastien; Rujopakarn, Wiphu; Westfall, Kyle; Yan, Renbin; Bershady, Matthew; Greene, Jenny E.; Heckman, Timothy M.; Drory, Niv; Law, David R.; Masters, Karen L.; Thomas, Daniel; Wake, David A.; Weijmans, Anne-Marie; Rubin, Kate; Belfiore, Francesco; Vulcani, Benedetta; Chen, Yan-mei; Zhang, Kai; Gelfand, Joseph D.; Bizyaev, Dmitry; Roman-Lopes, A.; Schneider, Donald P. (2016-05-26) - Journal item
    Quiescent galaxies with little or no ongoing star formation dominate the galaxy population above M∗ ∼ 2 × 1010 M⊙ , where their numbers have increased by a factor of ∼ 25 since z ∼ 21–4 .  Once star formation is initially ...
  • SWIFF : space weather integrated forecasting framework 

    Lapenta, Giovanni; Pierrard, Viviane; Keppens, Rony; Markidis, Stefano; Poedts, Stefaan; Šebek, Ondřej; Trávníček, Pavel M; Henri, Pierre; Califano, Francesco; Pegoraro, Francesco; Faganello, Matteo; Olshevsky, Vyacheslav; Restante, Anna Lisa; Nordlund, Åke; Trier Frederiksen, Jacob; Mackay, Duncan Hendry; Parnell, Clare Elizabeth; Bemporad, Alessandro; Susino, Roberto; Borremans, Kris (2013-02-18) - Journal article
    SWIFF is a project funded by the Seventh Framework Programme of the European Commission to study the mathematical-physics models that form the basis for space weather forecasting. The phenomena of space weather span a ...
  • A systematic search for changing-look quasars in SDSS 

    MacLeod, Chelsea L.; Ross, Nicholas P.; Lawrence, Andy; Goad, Mike; Horne, Keith; Burgett, William; Chambers, Ken C.; Flewelling, Heather; Hodapp, Klaus; Kaiser, Nick; Magnier, Eugene; Wainscoat, Richard; Waters, Christopher (2016-03-21) - Journal article
    We present a systematic search for changing-look quasars based on repeat photometry from Sloan Digital Sky Survey (SDSS) and Pan-STARRS1, along with repeat spectra from SDSS and SDSS-III Baryon Oscillation Spectroscopic ...
  • Talbot effect for exciton-polaritons 

    Gao, T; Estrecho, E; Li, G; Egorov, O A; Ma, X; Winkler, K; Kamp, M; Schneider, C; Hoefling, Sven; Truscott, A G; Ostrovskaya, E A (2016-08-26) - Journal article
    We demonstrate, experimentally and theoretically, a Talbot effect for hybrid light-matter waves - exciton-polariton condensate formed in a semiconductor microcavity with embedded quantum wells. The characteristic `Talbot ...
  • Temperaments of young stars : rapid mass accretion rate changes in T Tauri and Herbig Ae stars 

    Costigan, G.; Vink, Jorick S.; Scholz, A.; Ray, T.; Testi, L. (2014-06-01) - Journal article
    Variability in emission lines is a characteristic feature in young stars and can be used as a tool to study the physics of the accretion process. Here, we present a study of Hα variability in 15 T Tauri and Herbig Ae stars ...
  • Tensor classification of structure in smoothed particle hydrodynamics density fields 

    Forgan, Duncan; Bonnell, Ian; Lucas, William; Rice, Ken (2016-04-11) - Journal article
    As hydrodynamic simulations increase in scale and resolution, identifying structures with non-trivial geometries or regions of general interest becomes increasingly challenging. There is a growing need for algorithms that ...
  • The tenth data release of the Sloan Digital Sky Survey : first spectroscopic data from the SDSS-III Apache Point Observatory Galactic Evolution Experiment 

    Ahn, Christopher P.; Alexandroff, Rachael; Allende Prieto, Carlos; Anders, Friedrich; Anderson, Scott F.; Anderton, Timothy; Andrews, Brett H.; Aubourg, Éric; Bailey, Stephen; Bastien, Fabienne A.; Bautista, Julian E.; Beers, Timothy C.; Beifiori, Alessandra; Bender, Chad F.; Berlind, Andreas A.; Beutler, Florian; Bhardwaj, Vaishali; Bird, Jonathan C.; Bizyaev, Dmitry; Blake, Cullen H.; Blanton, Michael R.; Blomqvist, Michael; Bochanski, John J.; Bolton, Adam S.; Borde, Arnaud; Bovy, Jo; Shelden Bradley, Alaina; Brandt, W. N.; Brauer, Dorothée; Brinkmann, J.; Brownstein, Joel R.; Busca, Nicolás G.; Carithers, William; Carlberg, Joleen K.; Carnero, Aurelio R.; Carr, Michael A.; Chiappini, Cristina; Chojnowski, S. Drew; Chuang, Chia-Hsun; Comparat, Johan; Crepp, Justin R.; Cristiani, Stefano; Croft, Rupert A. C.; Cuesta, Antonio J.; Cunha, Katia; da Costa, Luiz N.; Dawson, Kyle S.; De Lee, Nathan; Dean, Janice D. R.; Delubac, Timothée; Deshpande, Rohit; Dhital, Saurav; Ealet, Anne; Ebelke, Garrett L.; Edmondson, Edward M.; Eisenstein, Daniel J.; Epstein, Courtney R.; Escoffier, Stephanie; Esposito, Massimiliano; Evans, Michael L.; Fabbian, D.; Fan, Xiaohui; Favole, Ginevra; Femenía Castellá, Bruno; Fernández Alvar, Emma; Feuillet, Diane; Filiz Ak, Nurten; Finley, Hayley; Fleming, Scott W.; Font-Ribera, Andreu; Frinchaboy, Peter M.; Galbraith-Frew, J. G.; García-Hernández, D. A.; García Pérez, Ana E.; Ge, Jian; Génova-Santos, R.; Gillespie, Bruce A.; Girardi, Léo; González Hernández, Jonay I.; Gott, J. Richard, III; Gunn, James E.; Guo, Hong; Halverson, Samuel; Harding, Paul; Harris, David W.; Hasselquist, Sten; Hawley, Suzanne L.; Hayden, Michael; Hearty, Frederick R.; Herrero Davó, Artemio; Ho, Shirley; Hogg, David W.; Holtzman, Jon A.; Honscheid, Klaus; Huehnerhoff, Joseph; Ivans, Inese I.; Jackson, Kelly M.; Jiang, Peng; Johnson, Jennifer A.; Kinemuchi, K.; Kirkby, David; Klaene, Mark A.; Kneib, Jean-Paul; Koesterke, Lars; Lan, Ting-Wen; Lang, Dustin; Le Goff, Jean-Marc; Leauthaud, Alexie; Lee, Khee-Gan; Lee, Young Sun; Long, Daniel C.; Loomis, Craig P.; Lucatello, Sara; Lupton, Robert H.; Ma, Bo; Mack, Claude E., III; Mahadevan, Suvrath; Maia, Marcio A. G.; Majewski, Steven R.; Malanushenko, Elena; Malanushenko, Viktor; Manchado, A.; Manera, Marc; Maraston, Claudia; Margala, Daniel; Martell, Sarah L.; Masters, Karen L.; McBride, Cameron K.; McGreer, Ian D.; McMahon, Richard G.; Ménard, Brice; Mészáros, Sz.; Miralda-Escudé, Jordi; Miyatake, Hironao; Montero-Dorta, Antonio D.; Montesano, Francesco; More, Surhud; Morrison, Heather L.; Muna, Demitri; Munn, Jeffrey A.; Myers, Adam D.; Nguyen, Duy Cuong; Nichol, Robert C.; Nidever, David L.; Noterdaeme, Pasquier; Nuza, Sebastián E.; O'Connell, Julia E.; O'Connell, Robert W.; O'Connell, Ross; Olmstead, Matthew D.; Oravetz, Daniel J.; Owen, Russell; Padmanabhan, Nikhil; Palanque-Delabrouille, Nathalie; Pan, Kaike; Parejko, John K.; Parihar, Prachi; Pâris, Isabelle; Pepper, Joshua; Percival, Will J.; Pérez-Ràfols, Ignasi; Dotto Perottoni, Hélio; Petitjean, Patrick; Pieri, Matthew M.; Pinsonneault, M. H.; Prada, Francisco; Price-Whelan, Adrian M.; Raddick, M. Jordan; Rahman, Mubdi; Rebolo, Rafael; Reid, Beth A.; Richards, Jonathan C.; Riffel, Rogério; Robin, Annie C.; Rocha-Pinto, H. J.; Rockosi, Constance M.; Roe, Natalie A.; Ross, Ashley J.; Ross, Nicholas P.; Rossi, Graziano; Roy, Arpita; Rubiño-Martin, J. A.; Sabiu, Cristiano G.; Sánchez, Ariel G.; Santiago, Basílio; Sayres, Conor; Schiavon, Ricardo P.; Schlegel, David J.; Schlesinger, Katharine J.; Schmidt, Sarah J.; Schneider, Donald P.; Schultheis, Mathias; Sellgren, Kris; Seo, Hee-Jong; Shen, Yue; Shetrone, Matthew; Shu, Yiping; Simmons, Audrey E.; Skrutskie, M. F.; Slosar, Anže; Smith, Verne V.; Snedden, Stephanie A.; Sobeck, Jennifer S.; Sobreira, Flavia; Stassun, Keivan G.; Steinmetz, Matthias; Strauss, Michael A.; Streblyanska, Alina; Suzuki, Nao; Swanson, Molly E. C.; Terrien, Ryan C.; Thakar, Aniruddha R.; Thomas, Daniel; Thompson, Benjamin A.; Tinker, Jeremy L.; Tojeiro, Rita; Troup, Nicholas W.; Vandenberg, Jan; Vargas Magaña, Mariana; Viel, Matteo; Vogt, Nicole P.; Wake, David A.; Weaver, Benjamin A.; Weinberg, David H.; Weiner, Benjamin J.; White, Martin; White, Simon D. M.; Wilson, John C.; Wisniewski, John P.; Wood-Vasey, W. M.; Yèche, Christophe; York, Donald G.; Zamora, O.; Zasowski, Gail; Zehavi, Idit; Zhao, Gong-Bo; Zheng, Zheng; Zhu, Guangtun (2014-04) - Journal article
    The Sloan Digital Sky Survey (SDSS) has been in operation since 2000 April. This paper presents the Tenth Public Data Release (DR10) from its current incarnation, SDSS-III. This data release includes the first spectroscopic ...
  • Testing gravity theories via transverse doppler and gravitational redshifts in galaxy clusters 

    Zhao, Hongsheng; Peacock, John; Li, Baojiu (2013-08-26) - Journal article
    There is growing interest in testing alternative gravity theories using the subtle gravitational redshifts in clusters of galaxies. However, current models all neglect a transverse Doppler redshift of similar magnitude, ...
  • Testing the recovery of stellar rotation signals from Kepler light curves using a blind hare-and-hounds exercise 

    Aigrain, S.; Llama, Joe; Ceillier, T.; Chagas, M. L. das; Davenport, J. R. A.; García, R. A.; Hay, K. L.; Lanza, A. F.; McQuillan, A.; Mazeh, T.; de Medeiros, J. R.; Nielsen, M. B.; Reinhold, T. (2015-07-01) - Journal article
    We present the results of a blind exercise to test the recoverability of stellar rotation and differential rotation in Kepler light curves. The simulated light curves lasted 1000 d and included activity cycles,Sun-like ...
  • Theoretical foundation of 3D Alfvén resonances: normal modes 

    Wright, Andrew Nicholas; Elsden, Thomas William (2016-11-17) - Journal article
    We consider the resonant coupling of fast and Alfvén magnetohydrodynamic (MHD) waves in a 3D equilibrium. Numerical solutions to normal modes (∝ exp(−iωt)) are presented along with a theoretical framework to interpret them. ...
  • Thermal conduction effects on the kink instability in coronal loops 

    Botha, G. J. J.; Arber, T. D.; Hood, A. W. (2011-01) - Journal article
    Context. Heating of the solar corona by nanoflares, which are small transient events in which stored magnetic energy is dissipated by magnetic reconnection, may occur as the result of the nonlinear phase of the kink ...
  • Thermal emission at 3.6-8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star 

    Anderson, D. R.; Smith, Alexis Michael Sheridan; Madhusudhan, N.; Wheatley, P. J.; Cameron, Andrew Collier; Hellier, C.; Campo, C.; Gillon, M.; Harrington, J.; Maxted, P. F. L.; Pollacco, D.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; West, R. G. (2013-04-21) - Journal article
    We report detection of thermal emission from the exoplanet WASP-19b at 3.6, 4.5, 5.8 and 8.0 μm. We used the InfraRed Array Camera on the Spitzer Space Telescope to observe two occultations of WASP-19b by its host star. ...
  • Thermal emission from WASP-24b at 3.6 and 4.5 μm 

    Smith, Alexis Michael Sheridan; Anderson, D. R.; Madhusudhan, N.; Southworth, J.; Cameron, Andrew Collier; Blecic, J.; Harrington, J.; Hellier, C.; Maxted, P. F. L.; Pollacco, D.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; Wheatley, P. J. (2012-09-01) - Journal article
    Aims. We observe occultations of WASP-24b to measure brightness temperatures and to determine whether or not its atmosphere exhibits a thermal inversion (stratosphere). Methods. We observed occultations of WASP-24b at 3.6 ...
  • The thermal emission of the exoplanet WASP-3b 

    Rostron, J.W.; Wheatley, P.J.; Anderson, D.R.; Cameron, A.C.; Fortney, J.J.; Harrington, J.; Knutson, H.A.; Pollacco, D.L. (2014-07-11) - Journal article
    We report the detection of thermal emission from the transiting hot Jupiter WASP-3b at 3.6, 4.5 and 8.0 μm using the Spitzer Space Telescope. We obtain planet-to-star flux ratios of 0.209+0.040-0.028 , 0.282 ± 0.012 and ...
  • Thermodynamic phase transitions in a frustrated magnetic metamaterial 

    Anghinolfi, L.; Luetkens, H.; Perron, J.; Flokstra, M. G.; Sendetskyi, O.; Suter, A.; Prokscha, T.; Derlet, P. M.; Lee, S. L.; Heyderman, L. J. (2015-09-21) - Journal article
    Materials with interacting magnetic degrees of freedom display a rich variety of magnetic behaviour that can lead to novel collective equilibrium and out-of-equilibrium phenomena. In equilibrium, thermodynamic phases appear ...
  • Thermodynamics of the classical spin-ice model with nearest neighbour interactions using the Wang-Landau algorithm 

    Ferreyra, M.V.; Giordano, G.; Borzi, R.A.; Betouras, J.J.; Grigera, Santiago Andres (2016-02-22) - Journal article
    In this article we study the classical nearest-neighbour spin-ice model (nnSI) by means of Monte Carlo simulations, using the Wang-Landau algorithm. The nnSI describes several of the salient features of the spin-ice ...
  • Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b 

    West, R. G.; Hellier, C.; Almenara, J.-M.; Anderson, D. R.; Barros, S. C. C.; Bouchy, F.; Brown, D. J. A.; Collier Cameron, A.; Deleuil, M.; Delrez, L.; Doyle, A. P.; Faedi, F.; Fumel, A.; Gillon, M.; Gómez Maqueo Chew, Y.; Hébrard, G.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Udry, S. (2016-01-08) - Journal article
    We report on three new transiting hot Jupiter planets, discovered from the WASP surveys, which we combine with radial velocities from OHP/SOPHIE and Euler/CORALIE and photometry from Euler and TRAPPIST. The planets WASP-76b, ...