Now showing items 512-531 of 547

  • The UV continua and inferred stellar populations of galaxies at z ≃ 7-9 revealed by the Hubble Ultra-Deep Field 2012 campaign 

    Dunlop, J. S.; Rogers, A. B.; McLure, R. J.; Ellis, R. S.; Robertson, B. E.; Koekemoer, A.; Dayal, P.; Curtis-Lake, E.; Wild, Vivienne; Charlot, S.; Bowler, R. A. A.; Schenker, M. A.; Ouchi, M.; Ono, Y.; Cirasuolo, M.; Furlanetto, S. R.; Stark, D. P.; Targett, T. A.; Schneider, E. (2013-07-11) - Journal article
    We use the new ultra-deep, near-infrared imaging of the Hubble Ultra-Deep Field (HUDF) provided by our UDF12 Hubble Space Telescope (HST) Wide Field Camera 3/IR campaign to explore the rest-frame ultraviolet (UV) properties ...
  • V5852 Sgr : an unusual nova possibly associated with the Sagittarius stream 

    Aydi, E.; Mróz, P.; Whitelock, P. A.; Mohamed, S.; Wyrzykowski, Ł.; Udalski, A.; Vaisanen, P.; Nagayama, T.; Dominik, M.; Scholz, A.; Onozato, H.; Williams, R. E.; Hodgkin, S. T.; Nishiyama, S.; Yamagishi, M.; Smith, A. M. S.; Ryu, T.; Iwamatsu, A.; Kawamata, I. (2016-09-11) - Journal article
    We report spectroscopic and photometric follow-up of the peculiar nova V5852~Sgr (discovered as OGLE-2015-NOVA-01), which exhibits a combination of features from different nova classes. The photometry shows a flat-topped ...
  • Validation of the magnetic energy vs. helicity scaling in solar magnetic structures 

    Tziotziou, K.; Moraitis, K.; Georgoulis, M.K.; Archontis, V. (2014-10) - Journal item
    Aims. We assess the validity of the free magnetic energy – relative magnetic helicity diagram for solar magnetic structures. Methods. We used two different methods of calculating the free magnetic energy and the relative ...
  • Variability in the CO ro-vibrational lines from HD163296 

    Bertelsen, Rosina P. Hein; Kamp, I.; Plas, G. van der; van den Ancker, M. E.; Waters, L. B. F. M.; Thi, W. -F.; Woitke, Peter (2016-05-11) - Journal article
    We present for the first time a direct comparison of multi-epoch (2001–2002 and 2012) CO ro-vibrational emission lines from HD 163296. We find that both the line shapes and the FWHM (full width at half-maximum) differ ...
  • Variability in young very low mass stars : two surprises from spectrophotometric monitoring 

    Bozhinova, Inna Nikolaeva; Scholz, Alexander; Eislöffel, J. (2016-05-21) - Journal article
    We present simultaneous photometric and spectroscopic observations of seven young and highly variable M dwarfs in star-forming regions in Orion, conducted in four observing nights with FOcal Reducer and low dispersion ...
  • Variable stars in the globular cluster NGC 7492 : new discoveries and physical parameter determination 

    Figuera Jaimes, R.; Arellano Ferro, A.; Bramich, D.M.; Giridhar, S.; Kuppuswamy, K. (2013-08) - Journal article
    Aims. We have performed a photometric V,R,I CCD time-series analysis with a baseline of about eight years of the outer-halo globular cluster NGC 7492 with the aim of searching for new variables and using these (and the ...
  • The VIMOS Public Extragalactic Redshift Survey (VIPERS). Environmental effects shaping the galaxy stellar mass function 

    Davidzon, I.; Cucciati, O.; Bolzonella, M.; De Lucia, G.; Zamorani, G.; Arnouts, S.; Moutard, T.; Ilbert, O.; Garilli, B.; Scodeggio, M.; Guzzo, L.; Abbas, U.; Adami, C.; Bel, J.; Bottini, D.; Branchini, E.; Cappi, A.; Coupon, J.; de la Torre, S.; Di Porto, C.; Fritz, A.; Franzetti, P.; Fumana, M.; Granett, B. R.; Guennou, L.; Iovino, A.; Krywult, J.; Le Brun, V.; Le Fevre, O.; Maccagni, D.; Małek, K.; Marulli, F.; McCracken, H. J.; Mellier, Y.; Moscardini, L.; Polletta, M.; Pollo, A.; Tasca, L. A. M.; Tojeiro, Rita; Vergani, D.; Zanichelli, A. (2016-02) - Journal article
    We exploit the first public data release of VIPERS to investigate environmental effects in the evolution of galaxies between z ~ 0.5 and 0.9. The large number of spectroscopic redshifts (more than 50 000) over an area of ...
  • The VIMOS Public Extragalactic Survey (VIPERS). First Data Release of 57 204 spectroscopic measurements 

    Garilli, B.; Guzzo, L.; Scodeggio, M.; Bolzonella, M.; Abbas, U.; Adami, C.; Arnouts, S.; Bel, J.; Bottini, D.; Branchini, E.; Cappi, A.; Coupon, J.; Cucciati, O.; Davidzon, I.; De Lucia, G.; de la Torre, S.; Franzetti, P.; Fritz, A.; Fumana, M.; Granett, B. R.; Ilbert, O.; Iovino, A.; Krywult, J.; Le Brun, V.; Le Fèvre, O.; Maccagni, D.; Małek, K.; Marulli, F.; McCracken, H. J.; Paioro, L.; Polletta, M.; Pollo, A.; Schlagenhaufer, H.; Tasca, L. A. M.; Tojeiro, Rita; Vergani, D.; Zamorani, G.; Zanichelli, A.; Burden, A.; Di Porto, C.; Marchetti, A.; Marinoni, C.; Mellier, Y.; Moscardini, L.; Nichol, R. C.; Peacock, J. A.; Percival, W. J.; Phleps, S.; Wolk, M. (2014-02-01) - Journal article
    We present the first Public Data Release (PDR-1) of the VIMOS Public Extragalactic Survey (VIPERS). It comprises 57 204 spectroscopic measurements together with all additional information necessary for optimal scientific ...
  • Visible light communication using a blue GaN mu LED and fluorescent polymer color converter 

    Chun, Hyunchae; Manousiadis, Pavlos; Rajbhandari, Sujan; Vithanage, Dimali A.; Faulkner, Grahame; Tsonev, Dobroslav; McKendry, Jonathan James Donald; Videv, Stefan; Xie, Enyuan; Gu, Erdan; Dawson, Martin D.; Haas, Harald; Turnbull, Graham A.; Samuel, Ifor D. W.; O'Brien, Dominic C. (2014-10-15) - Journal article
    This letter presents a novel technique to achieve high-speed visible light communication (VLC) using white light generated by a blue GaN mu LED and a yellow fluorescent copolymer. We generated white light suitable for room ...
  • The VLT LEGA-C spectroscopic survey : the physics of galaxies at a lookback time of 7 Gyr 

    van der Wel, A.; Noeske, K.; Bezanson, R.; Pacifici, C.; Gallazzi, A.; Franx, M.; Muñoz-Mateos, J. C.; Bell, E. F.; Brammer, G.; Charlot, S.; Chauké, P.; Labbé, I.; Maseda, M. V.; Muzzin, A.; Rix, H.-W.; Sobral, D.; van de Sande, J.; van Dokkum, P. G.; Wild, V.; Wolf, C. (2016-04-22) - Journal article
    The Large Early Galaxy Census (LEGA-Ca) is a Public Spectroscopic Survey of ∼ 3200 K-band selected galaxies at redshifts z=0.6-1.0 with stellar masses M* > 1010M_sun, conducted with VIMOS on ESO's Very Large Telescope. The ...
  • Volcano – Ice Interaction as a Microbial Habitat on Earth and Mars 

    Cousins, Claire Rachel; Crawford, Ian (2011-09) - Journal article
    Volcano-ice interaction has been a widespread geological process on Earth that continues to occur to the present day. The interaction between volcanic activity and ice can generate substantial quantities of liquid water, ...
  • Volcano – Ice Interaction: A Haven for Life on Mars? 

    Cousins, Claire Rachel (2011) - Journal article
  • Volcanogenic Fluvial-lacustrine environments in Iceland and their utility for identifying past habitability on Mars 

    Cousins, Claire Rachel (2015-02-16) - Journal article
    The search for once-habitable locations on Mars is increasingly focused on environments dominated by fluvial and lacustrine processes, such as those investigated by the Mars Science Laboratory Curiosity rover. The availability ...
  • The W43-MM1 mini-starburst ridge, a test for star formation efficiency models 

    Louvet, F.; Motte, F.; Hennebelle, P.; Maury, A.; Bonnell, I.; Bontemps, S.; Gusdorf, A.; Hill, T.; Gueth, F.; Peretto, N.; Duarte-Cabral, A.; Stephan, G.; Schilke, P.; Csengeri, T.; Luong, Q. Nguyen; Lis, D. C. (2014-10) - Journal article
    Context. Star formation efficiency (SFE) theories are currently based on statistical distributions of turbulent cloud structures and a simple model of star formation from cores. They remain poorly tested, especially at the ...
  • Warm Spitzer occultation photometry of WASP-26b at 3.6 and 4.5 mu m 

    Mahtani, D. P.; Maxted, P. F. L.; Anderson, D. R.; Smith, A. M. S.; Smalley, B.; Tregloan-Reed, J.; Southworth, J.; Madhusudhan, N.; Cameron, A. Collier; Gillon, M.; Harrington, J.; Hellier, C.; Pollacco, D.; Queloz, D.; Triaud, A. H. M. J.; West, R. G. (2013-06-11) - Journal article
    We present new warm Spitzer occultation photometry of WASP-26 at 3.6 and 4.5 mu m along with new transit photometry taken in the g, r and i bands. We report the first detection of the occultation of WASP-26b, with occultation ...
  • The WASP Project and the SuperWASP Cameras 

    Pollacco, D L; Skillen, I; Cameron, Andrew Collier; Christian, D J; Hellier, C; Irwin, J; Lister, T A; Street, R A; West, R G; Anderson, D; Clarkson, W I; Deeg, H; Enoch, B; Evans, A; Fitzsimmons, A; Haswell, C A; Hodgkin, S; Horne, Keith Douglas; Kane, S R; Keenan, F P; Maxted, P F L; Norton, A J; Osborne, J; Parley, N R; Ryans, R S I; Smalley, B; Wheatley, P J; Wilson, D M (2006-10) - Journal article
    The SuperWASP cameras are wide- field imaging systems at the Observatorio del Roque de los Muchachos on the island of La Palma in the Canary Islands, and at the Sutherland Station of the South African Astronomical Observatory. ...
  • WASP-103 b : a new planet at the edge of tidal disruption 

    Gillon, M.; Anderson, D. R.; Collier-Cameron, A.; Delrez, L.; Hellier, C.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Segransan, D.; Smith, A. M. S.; Smalley, B.; Southworth, J.; Triaud, A. H. M. J.; Udry, S.; Van Grootel, V.; West, R. G. (2014-02-05) - Journal article
    We report the discovery of WASP-103 b, a new ultra-short-period planet (P = 22.2 h) transiting a 12.1 V-magnitude F8-type main-sequence star (1.22 ± 0.04 M⊙, 1.44-0.03+0.05 R⊙, Teff = 6110 ± 160 K). WASP-103 b is significantly ...
  • WASP-104b and WASP-106b : two transiting hot Jupiters in 1.75-day and 9.3-day orbits 

    Smith, A.M.S.; Anderson, D.R.; Armstrong, D.J.; Barros, S.C.C.; Bonomo, A.S.; Bouchy, F.; Brown, D.J.A.; Collier Cameron, A.; Delrez, L.; Faedi, F.; Gillon, M.; Gómez Maqueo Chew, Y.; Hébrard, G.; Jehin, E.; Lendl, M.; Louden, T.M.; Maxted, P.F.L.; Montagnier, G.; Neveu-Vanmalle, M.; Osborn, H.P.; Pepe, F.; Pollacco, D.; Queloz, D.; Rostron, J.W.; Segransan, D.; Smalley, B.; Triaud, A.H.M.J.; Turner, O.D.; Udry, S.; Walker, S.R.; West, R.G.; Wheatley, P.J. (2014-10) - Journal article
    We have used the WASP survey to discover two exoplanetary systems, each consisting of a Jupiter-sized planet transiting an 11th-magnitude (V) main-sequence star. WASP-104b orbits its star in 1.75 d, whereas WASP-106b has ...
  • WASP-121 b : a hot Jupiter close to tidal disruption transiting an active F star 

    Delrez, L.; Santerne, A.; Almenara, J.-M.; Anderson, D. R.; Collier-Cameron, Andrew; Díaz, R. F.; Gillon, M.; Hellier, C.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Neveu-VanMalle, M.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Triaud, A. H. M. J.; Udry, S.; Van Grootel, V.; West, R. G. (2016-06-01) - Journal article
    We present the discovery by the WASP-South survey of WASP-121 b, a new remarkable short-period transiting hot Jupiter. The planet has a mass of 1.183+0.064−0.062 MJup, a radius of 1.865 ± 0.044 RJup, and transits every ...
  • WASP-135b : a highly irradiated, inflated hot Jupiter orbiting a G5V star 

    Spake, Jessica J.; Brown, David John Alexander; Doyle, Amanda P.; Hébrard, Guillaume; McCormac, James; Armstrong, David J.; Pollacco, Don; Chew, Yilen Gómez Maqueo; Anderson, David R.; Barros, Susana C. C.; Bouchy, François; Boumis, Panayotis; Bruno, Giovanni; Cameron, Andrew Collier; Courcol, Bastien; Davies, Guy R.; Faedi, Francesca; Hellier, Coel; Kirk, James; Lam, Kristine W. F.; Liakos, Alexios; Louden, Tom; Maxted, Pierre F. L.; Osborn, Hugh P.; Palle, Enric; Arranz, Jorge Prieto; Udry, Stéphane; Walker, Simon R.; West, Richard G.; Wheatley, Peter J. (2016-01-14) - Journal article
    We report the discovery of a new transiting planet from the WASP survey. WASP-135b is a hot Jupiter with a radius of 1.30 pm 0.09 Rjup, a mass of 1.90 pm 0.08 Mjup and an orbital period of 1.401 days. Its host is a Sun-like ...