Now showing items 196-215 of 518

  • von Essen, Carolina; Ofir, A.; Dreizler, S.; Agol, E.; Freudenthal, J.; Hernández, J.; Wedemeyer, Sven; Parkash, V.; Deeg, H. J.; Hoyer, S.; Morris, B. M.; Becker, A. C.; Sun, L.; Gu, S. H.; Herrero, E.; Tal-Or, L.; Poppenhaeger, K.; Mallonn, M.; Albrecht, S.; Khalafinejad, S.; Boumis, P.; Delgado-Correal, C.; Fabrycky, D. C.; Janulis, R.; Lalitha, S.; Liakos, A.; Mikolaitis, Š.; Moyano D’Angelo, M. L.; Sokov, E.; Pakštienė, E.; Popov, A.; Krushinsky, V.; Ribas, I.; Rodríguez S., M. M.; Rusov, S.; Sokova, I.; Tautvaišienė, G.; Wang, X. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    During its four years of photometric observations, the Kepler space telescope detected thousands of exoplanets and exoplanet candidates. One of Kepler’s greatest heritages has been the confirmation and characterization of ...
  • Freudenthal, Jantje; von Essen, Carolina; Dreizler, Stefan; Wedemeyer, Sven; Agol, Eric; Morris, Brett M.; Becker, Andrew C.; Mallonn, Matthias; Hoyer, Sergio; Ofir, Aviv; Tal-Or, Lev; Deeg, Hans Jörg; Herrero, Enrique; Ribas, Ignasi; Khalafinejad, Sara; Hernández, Jesús V.; Rodríguez, Silvio M.M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Context: The Kepler Object of Interest Network (KOINet) is a multi-site network of telescopes around the globe organised to follow up transiting planet-candidate Kepler objects of interest (KOIs) with large transit timing ...
  • Jafarzadeh, Shahin; Solanki, S. K.; Cameron, R. H.; Barthol, P.; Blanco Rodriguez, J.; del Toro Iniesta, J. C.; Gandorfer, A.; Gizon, L; Hirzberger, J.; Knölker, M.; Martinez Pillet, V.; Orozco Suarez, D.; Riethmüller, T. L.; Schmidt, W.; van Noort, M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    © 2017. The American Astronomical Society. All rights reserved.
  • Forfang, Peder (Master thesis / Masteroppgave, 2017)
    Following the discovery of the late-time acceleration, a multitude of extensions to General Relativity have been developed, seeking to shed light on this new phenomenon. Some of these models involve couplings to ordinary ...
  • Oppen, Henrik (Master thesis / Masteroppgave, 2014)
    Studier av vekselvirkningsmodeller for baryonsk materie, mørk materie og mørk energi. Hovedfokus på stabilitet for universmodeller, sammenligning med observasjonelle data og konsekvenser for strukturformasjoner.
  • Ihle, Håvard Tveit (Master thesis / Masteroppgave, 2016)
    If dark matter, after it has become non-relativistic, scatters elastically with a relativistic heat bath particle, then the resulting pressure leads to acoustic oscillations that suppress the growth of overdensities in the ...
  • Verde, Licia; Bernal, José Luis; Heavens, Alan F.; Jimenez, Raul (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
  • Sharon, Keren; Bayliss, Matthew B.; Dahle, Håkon; Florian, Michael K.; Gladders, Michael D.; Johnson, Traci L.; Paterno-Mahler, Rachel; Rigby, Jane R.; Whitaker, Katherine E.; Wuyts, Eva (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    SDSS J2222+2745 is a galaxy cluster at z = 0.49, strongly lensing a quasar at z = 2.805 into six widely separated images. In recent Hubble Space Telescope imaging of the field, we identify additional multiply lensed galaxies ...
  • Hauge, Lars Christian (Master thesis / Masteroppgave, 2015)
    In 2013 a new metric called TARDIS was introduced. This metric was published by Tippet and Tsang, and described a time machine. This thesis uses numerical methods to explore properties of this new metric. We start by ...
  • Levén, Erik Alexander (Master thesis / Masteroppgave, 2019)
  • Kianfar, S; Jafarzadeh, Shahin; Mirtorabi, MT; Riethmüller, T. L. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    We present detailed characteristics of linear polarization features (LPFs) in the quiet-Sun photosphere from high-resolution observations obtained with SUNRISE/IMaX. We explore differently treated data with various noise ...
  • Yang, Weiqiang; Vagnozzi, Sunny; Di Valentino, Eleonora; Nunes, Rafael C.; Pan, Supriya; Mota, David (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    We consider two stable Interacting Dark Matter-Dark Energy models and confront them against current Cosmic Microwave Background data from the Planck satellite. We then generate luminosity distance measurements from Script ...
  • Thorsrud, Mikjel; Mota, David; Urban, Federico (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Cosmological local observables are at best statistically determined by the fundamental theory describing inflation. When the scalar inflaton is coupled uniformly to a collection of subdominant massless gauge vectors, ...
  • Laursen, Peter; Sommer-Larsen, Jesper; Milvang-Jensen, Bo; Fynbo, Johan P. U.; Razoumov, Alexei O. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    With a total integration time of 168 h and a narrowband filter tuned to Lyα emission from z = 8.8, the UltraVISTA survey has set out to find some of the most distant galaxies, on the verge of the epoch of reionization. ...
  • Schauer, Anna T. P.; Agarwal, B.; Glover, Simon C. O.; Klessen, Ralf S.; Latif, Muhammad A.; Mas Ribas, Lluis; Rydberg, Claes-Erik; Whalen, Daniel J.; Zackrisson, Erik (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Direct collapse black holes forming in pristine, atomically cooling haloes at z ≈ 10–20 may act as the seeds of supermassive black holes (BHs) at high redshifts. In order to create a massive BH seed, the host halo needs ...
  • Yang, Huan; Malhotra, Sangeeta; Gronke, Max Balthasar; Rhoads, James E.; Leitherer, Claus; Wofford, Aida; Jiang, Tianxing; Dijkstra, Mark; Tilvi, V.; Wang, Junxian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    © 2017. The American Astronomical Society. All rights reserved.
  • Bridge, Joanna S.; Hayes, Matthew; Melinder, Jens; Östlin, Göran; Gronwall, Caryl; Ciardullo, Robin; Atek, Hakim; Cannon, John M.; Gronke, Max Balthasar; Guaita, Lucia; Hagen, Alex; Herenz, Edmund Christian; Kunth, Daniel; Laursen, Peter; Mas-Hesse, J. Miguel; Pardy, Stephen A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    © 2017. The American Astronomical Society. All rights reserved.
  • Dijkstra, Mark; Gronke, Max Balthasar; Venkatesan, Aparna (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    The escape of ionizing Lyman continuum (LyC) photons requires the existence of low-NH I sightlines, which also promote escape of Lyα. We use a suite of 2500 Lyα Monte-Carlo radiative transfer simulations through models of ...
  • Rigby, J. R.; Bayliss, M. B.; Sharon, K.; Gladders, M. D.; Chisholm, J.; Dahle, Håkon; Johnson, Traci; Paterno-Mahler, Rachel; Wuyts, E; Kelson, D. D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    We introduce Project MegaSaura: the Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas. MegaSaura comprises medium-resolution, rest-frame ultraviolet spectroscopy of N = 15 bright gravitationally ...
  • Rigby, J. R.; Bayliss, M. B.; Chisholm, J.; Bordoloi, Rongmon; Sharon, K.; Gladders, M. D.; Johnson, T.; Paterno-Mahler, Rachel; Wuyts, E; Dahle, Håkon; Acharyya, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    We stack the rest-frame ultraviolet spectra of N = 14 highly magnified gravitationally lensed galaxies at redshifts $1.6\lt z\lt 3.6$. The resulting new composite spans $900\lt {\lambda }_{\mathrm{rest}}\lt 3000$ Å, with ...