Now showing items 551-570 of 648

  • Stirring N-body systems - II. Necessary conditions for the dark matter attractor 

    Barber, Jeremy A.; Zhao, Hongsheng; Hansen, Steen H. (2014-05) - Journal article
    We study the evolution of the phase space of collisionless N-body systems under repeated stirrings or perturbations, which has been shown to lead to a convergence towards a limited group of end states. This so-called ...
  • The Stripe 82 Massive Galaxy Project – II. Stellar mass completeness of spectroscopic galaxy samples from the Baryon Oscillation Spectroscopic Survey 

    Leauthaud, Alexie; Bundy, Kevin; Saito, Shun; Tinker, Jeremy; Maraston, Claudia; Tojeiro, Rita; Huang, Song; Brownstein, Joel R.; Schneider, Donald P.; Thomas, Daniel (2016-04-21) - Journal article
    The Baryon Oscillation Spectroscopic Survey (BOSS) has collected spectra for over one million galaxies at 0.15 < z < 0.7 over a volume of 15.3 Gpc3 (9376 deg2) – providing us an opportunity to study the most massive galaxy ...
  • Study of the stellar population properties in the discs of ten spiral galaxies 

    Morelli, L.; Corsini, E.M.; Pizzella, A.; Dalla Bontà, E.; Coccato, L.; Mendez Abreu, Jairo (2015-09-11) - Journal article
    We investigated the properties of the stellar populations in the discs of a sample of 10 spiral galaxies. Our analysis focused on the galaxy region where the disc contributes more than 95 per cent of total surface brightness ...
  • Study of the three-dimensional shape and dynamics of coronal loops observed by Hinode/EIS 

    Syntelis, P.; Gontikakis, C.; Georgoulis, M. K.; Alissandrakis, C. E.; Tsinganos, K. (2012-10) - Journal article
    We study plasma flows along selected coronal loops in NOAA Active Region 10926, observed on 3 December 2006 with Hinode’sEUVImaging Spectrograph (EIS). From the shape of the loops traced on intensity images and the Doppler ...
  • Subarcsecond imaging of the NGC 6334 I(n) protocluster : two dozen compact sources and a massive disk candidate 

    Hunter, T.R.; Brogan, C.L.; Cyganowski, C.J.; Young, K.H. (2014-06-20) - Journal article
    Using the Submillimeter Array (SMA) and Karl G. Jansky Very Large Array, we have imaged the massive protocluster NGC 6334 I(N) at high angular resolution (0.″5 ∼ 650 AU) from 6 cm to 0.87 mm, detecting 18 new compact ...
  • Submillimeter array observations of NGC 2264-C : molecular outflows and driving sources 

    Cunningham, Nichol; Lumsden, Stuart L.; Cyganowski, Claudia Jane; Maud, Luke T.; Purcell, Cormac (2016-05-11) - Journal article
    We present 1.3 mm Submillimeter Array (SMA) observations at ∼3 arcsec resolution towards the brightest section of the intermediate/massive star-forming cluster NGC 2264-C. The millimetre continuum emission reveals ten ...
  • Substellar Objects in Nearby Young Clusters (SONYC) IX : the planetary-mass domain of Chamaeleon-I and updated mass function in Lupus-3 

    Mužić, Koraljka; Scholz, Alexander; Geers, Vincent C.; Jayawardhana, Ray (2015-09-10) - Journal article
    Substellar Objects in Nearby Young Clusters—SONYC—is a survey program to investigate the frequency and properties of substellar objects in nearby star-forming regions. We present new spectroscopic follow-up of candidate ...
  • Substellar objects in nearby young clusters (SONYC). VIII. Substellar population in Lupus 3 

    Mužić, K.; Scholz, A.; Geers, V.C.; Jayawardhana, R.; Martí, B.L. (2014-04-20) - Journal article
    SONYC - Substellar Objects in Nearby Young Clusters - is a survey program to investigate the frequency and properties of substellar objects in nearby star-forming regions. We present a new imaging and spectroscopic survey ...
  • Substellar objects in nearby young clusters. VII. The substellar mass function revisited 

    Scholz, Alexander; Geers, Vincent; Clark, Paul; Jayawardhana, Ray; Muzic, Koraljka (2013-10-01) - Journal article
    The abundance of brown dwarfs (BDs) in young clusters is a diagnostic of star formation theory. Here we revisit the issue of determining the substellar initial mass function (IMF) based on a comparison between NGC 1333 and ...
  • The Sun as a planet-host star : proxies from SDO images for HARPS radial-velocity variations 

    Haywood, Raphaelle Dawn; Cameron, Andrew Collier; Unruh, Y. C.; Lovis, C.; Lanza, A. F.; Llama, Joe; Deleuil, M.; Fares, Rim; Gillon, M.; Moutou, C.; Pepe, F.; Pollacco, D.; Queloz, D.; Segransan, D. (2016-04-21) - Journal article
    The Sun is the only star whose surface can be directly resolved at high resolution, and therefore constitutes an excellent test case to explore the physical origin of stellar radial-velocity (RV) variability. We present ...
  • 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 ...