Browsing Institutt for teoretisk astrofysikk by Title

Now showing items 439-458 of 1279

  • Euclid: The reduced shear approximation and magnification bias for Stage IV cosmic shear experiments 
    Deshpande, Anurag C.; Kitching, Thomas D.; Cardone, V. F.; Taylor, P. L.; Casas, S.; Camera, S.; Carbone, C.; Kilbinger, M.; Pettorino, V.; Sakr, Z.; Sapone, D.; Tutusaus, I.; Auricchio, N.; Bodendorf, C.; Bonino, D.; Brescia, Massimo; Capobianco, V.; Carretero, J.; Castellano, M.; Cavuoti, S.; Clédassou, Rodolphe; Congedo, G.; Conversi, L.; Corcione, L.; Cropper, Mark; Dubath, F.; Dusini, S.; Fabbian, G.; Franceschi, E.; Fumana, M.; Garilli, B.; Grupp, F.; Hoekstra, Henk; Hormuth, F.; Israel, H.; Jahnke, Knud; Kermiche, S.; Kubik, B.; Kunz, Martin; Lacasa, F; Ligori, S.; Lilje, Per Barth; Lloro, Ivan; Maiorano, E.; Marggraf, O.; Massey, R.; Mei, S.; Meneghetti, M.; Meylan, G.; Moscardini, L.; Padilla, C.; Paltani, S.; Pasian, F.; Pires, S.; Polenta, G.; Poncet, M.; Raison, F.; Rhodes, Jason D.; Roncarelli, M.; Saglia, R.; Schneider, Peter; Secroun, A.; Serrano, S.; Sirri, G.; Starck, J. L.; Sureau, F.; Taylor, A. N.; Tereno, I.; Toledo-Moreo, Rafael; Valenziano, L.; Wang, Y.; Zoubian, J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Context. Stage IV weak lensing experiments will offer more than an order of magnitude leap in precision. We must therefore ensure that our analyses remain accurate in this new era. Accordingly, previously ignored systematic ...
  • Euclid: The search for primordial features 
    Ballardini, M.; Akrami, Y.; Finelli, F.; Karagiannis, D.; Li, Baojiu; Li, Y.; Sakr, Z.; Sapone, D.; Achúcarro, A.; Baldi, M.; Bartolo, N.; Cañas-Herrera, G.; Casas, S.; Murgia, R.; Winther, Hans Arnold; Viel, M.; Andrews, A.; Jasche, J.; Lavaux, G.; Hazra, D.K.; Paoletti, D.; Väliviita, Jussi-Pekka; Amara, A.; Andreon, S.; Auricchio, N.; Battaglia, P.; Bonino, D.; Branchini, E.; Brescia, Massimo; Brinchmann, J.; Camera, S.; Capobianco, V.; Carbone, C.; Carretero, J.; Castellano, M.; Cavuoti, Stefano; Cimatti, A.; Congedo, G.; Conversi, L.; Copin, Y.; Corcione, L.; Courbin, F.; Courtois, H.M.; Da Silva, A.; Degaudenzi, H.; Dubath, F.; Dupac, X.; Farina, M.; Farrens, S.; Frailis, M.; Franceschi, E.; Fumana, M.; Galeotta, S.; Gillis, B.; Giocoli, C.; Grazian, A.; Grupp, F.; Haugan, Stein Vidar Hagfors; Holmes, W.; Hormuth, F.; Hornstrup, A.; Hudelot, P.; Jahnke, K.; Kermiche, S.; Kiessling, A.; Kunz, M.; Kurki-Suonio, Hannu; Lilje, Per Barth; Lindholm, Valtteri; Lloro, I.; Maiorano, E.; Mansutti, O.; Marggraf, O.; Martinet, N.; Marulli, F.; Massey, Richard; Medinaceli, E.; Mei, S.; Mellier, Y.; Meneghetti, M.; Merlin, E.; Meylan, G.; Moresco, M.; Moscardini, L.; Munari, E.; Niemi, S.-M.; Padilla, C.; Paltani, S.; Pasian, F.; Pedersen, K.; Percival, W.J.; Pettorino, V.; Pires, S.; Polenta, G.; Poncet, M.; Popa, L.A.; Pozzetti, L.; Raison, F.; Renzi, A.; Rhodes, J.; Riccio, G.; Romelli, E.; Roncarelli, M.; Saglia, R.; Sartoris, B.; Schrabback, T.; Secroun, A.; Seidel, G.; Serrano, S.; Sirignano, C.; Sirri, G.; Stanco, L.; Starck, J.-L.; Surace, C.; Tallada-Crespí, P.; Taylor, A.N.; Tereno, I.; Toledo-Moreo, R.; Torradeflot, F.; Tutusaus, I.; Valentijn, E.A.; Valenziano, L.; Vassallo, T.; Veropalumbo, A.; Wang, Y.; Weller, J.; Zamorani, G.; Zoubian, J.; Scottez, V. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
  • Euclid: the selection of quiescent and star-forming galaxies using observed colours 
    Bisigello, Laura; Kuchner, U.; Conselice, C. J.; Andreon, S.; Bolzonella, M.; Duc, P.-A.; Garilli, B.; Humphrey, A.; Maraston, Claudia; Moresco, M.; Pozzetti, L.; Tortora, C.; Zamorani, G.; Auricchio, N.; Brinchmann, Jarle; Capobianco, V.; Carretero, J.; Castander, F. J.; Castellano, M.; Cavuoti, S.; Cimatti, Andrea; Clédassou, Rodolphe; Congedo, G.; Conversi, L.; Corcione, L.; Cropper, Mark S.; Dusini, S.; Frailis, M.; Franceschi, E.; Franzetti, P.; Fumana, M.; Hormuth, F.; Israel, H.; Jahnke, Knud; Kermiche, S.; Kitching, Thomas D.; Kohley, R.; Kubik, B.; Kunz, Martin; Le Fèvre, Olivier; Ligori, S.; Lilje, Per Barth; Lloro, Ivan; Maiorano, E.; Marggraf, O.; Massey, R.; Masters, D. C.; Mei, S.; Mellier, Yannick; Meylan, G.; Padilla, C.; Paltani, S.; Pasian, F.; Pettorino, V.; Pires, S.; Polenta, G.; Poncet, M.; Raison, F.; Rhodes, Jason D.; Roncarelli, M.; Rossetti, E.; Saglia, R.; Sauvage, M.; Schneider, Peter; Secroun, A.; Serrano, S.; Sureau, F.; Taylor, A. N.; Tereno, I.; Toledo-Moreo, Rafael; Valenziano, L.; Wang, Y.; Wetzstein, M.; Zoubian, J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The Euclid mission will observe well over a billion galaxies out to z ∼ 6 and beyond. This will offer an unrivalled opportunity to investigate several key questions for understanding galaxy formation and evolution. The ...
  • Euclid: Validation of the MontePython forecasting tools 
    Casas, S.; Lesgourgues, J.; Schöneberg, N.; Sabarish, V.M.; Rathmann, L.; Doerenkamp, M.; Archidiacono, M.; Bellini, E.; Clesse, S.; Frusciante, N.; Martinelli, M.; Pace, F.; Sapone, D.; Sakr, Z.; Blanchard, A.; Brinckmann, T.; Camera, S.; Carbone, C.; Ilić, S.; Markovic, K.; Pettorino, V.; Tutusaus, I.; Aghanim, N.; Amara, A.; Amendola, L.; Auricchio, N.; Baldi, M.; Bonino, D.; Branchini, E.; Brescia, Massimo; Brinchmann, J.; Capobianco, V.; Cardone, V.F.; Carretero, J.; Castellano, M.; Cavuoti, Stefano; Cimatti, A.; Cledassou, R.; Congedo, G.; Conversi, L.; Copin, Y.; Corcione, L.; Courbin, F.; Cropper, M.; Degaudenzi, H.; Dinis, J.; Douspis, M.; Dubath, F.; Dupac, X.; Dusini, S.; Farrens, S.; Frailis, M.; Franceschi, E.; Fumana, M.; Galeotta, S.; Garilli, B.; Gillis, B.; Giocoli, C.; Grazian, A.; Grupp, F.; Guzzo, L.; Haugan, Stein Vidar Hagfors; Hormuth, F.; Hornstrup, A.; Jahnke, K.; Kümmel, M.; Kiessling, A.; Kilbinger, M.; Kitching, T.; Kunz, M.; Kurki-Suonio, Hannu; Ligori, S.; Lilje, Per Barth; Lloro, I.; Mansutti, O.; Marggraf, O.; Marulli, F.; Massey, Richard; Medinaceli, E.; Mei, S.; Meneghetti, M.; Merlin, E.; Meylan, G.; Moresco, M.; Moscardini, L.; Munari, E.; Niemi, S.-M.; Padilla, C.; Paltani, S.; Pasian, F.; Pedersen, K.; Percival, W.J.; Pires, S.; Polenta, G.; Poncet, M.; Popa, L.A.; Raison, F.; Renzi, A.; Rhodes, J.; Riccio, G.; Romelli, E.; Roncarelli, M.; Rossetti, E.; Saglia, R.; Sartoris, B.; Schneider, P.; Secroun, A.; Seidel, G.; Serrano, S.; Sirignano, C.; Sirri, G.; Stanco, L.; Starck, J.-L.; Surace, C.; Tallada-Crespí, P.; Taylor, A.N.; Tereno, I.; Toledo-Moreo, R.; Torradeflot, F.; Valentijn, E.A.; Valenziano, L.; Vassallo, T.; Wang, Y.; Weller, J.; Zamorani, G.; Zoubian, J.; Scottez, V.; Veropalumbo, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
    Context . The Euclid mission of the European Space Agency will perform a survey of weak lensing cosmic shear and galaxy clustering in order to constrain cosmological models and fundamental physics. Aims . We expand and ...
  • EVIDENCE for A TRANSITION REGION RESPONSE to PENUMBRAL MICROJETS in SUNSPOTS 
    Vissers, Gregal Joan Maria; Rouppe, Van Der Voort Luc; Carlsson, Mats (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Penumbral microjets (PMJs) are short-lived, fine-structured, and bright jets that are generally observed in chromospheric imaging of the penumbra of sunspots. Here we investigate their potential transition region signature ...
  • Evidence for line-of-sight frequency decorrelation of polarized dust emission in Planck data 
    Pelgrims, Vincent; Clark, S. E.; Hensley, B. S.; Panopoulou, Georgia V.; Pavlidou, Vasiliki; Tassis, Konstantinos; Eriksen, Hans Kristian Kamfjord; Wehus, Ingunn Kathrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    If a single line of sight (LOS) intercepts multiple dust clouds with different spectral energy distributions and magnetic field orientations, then the frequency scaling of each of the Stokes Q and U parameters of the thermal ...
  • Evidence of chromospheric molecular hydrogen emission in a solar flare observed by the IRIS satellite 
    Mulay, Sargam M.; Fletcher, Lyndsay (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    We have carried out the first comprehensive investigation of enhanced line emission from molecular hydrogen, H2 at 1333.79 Å, observed at flare ribbons in SOL2014-04-18T13:03. The cool H2 emission is known to be fluorescently ...
  • Evidence of the multi-thermal nature of spicular downflows. Impact on solar atmospheric heating 
    Bose, Souvik; Rouppe van der Voort, L. H. M.; Joshi, Jayant; henriques, vasco manuel de jorge; Nobrega-Siverio, Daniel; Martinez-Sykora, Juan; De Pontieu, Bart (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Context. Spectroscopic observations of the emission lines formed in the solar transition region commonly show persistent downflows on the order of 10−15 km s −1 . The cause of such downflows, however, is still not fully ...
  • Evidence of Twisting and Mixed-polarity Solar Photospheric Magnetic Field in Large Penumbral Jets: IRIS and Hinode Observations 
    Tiwari, Sanjiv K.; Moore, Ronald L.; De Pontieu, Bart Walter; Tarbell, Theodore D.; Panesar, Navdeep K.; Winebarger, Amy R.; Sterling, Alphonse C. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    A recent study using Hinode (Solar Optical Telescope/Filtergraph [SOT/FG]) data of a sunspot revealed some unusually large penumbral jets that often repeatedly occurred at the same locations in the penumbra, namely, at the ...
  • Evolution of Magnetic Fields and Energy Release Processes during Homologous Eruptive Flares 
    Sahu, Suraj; Joshi, Bhuwan; Prasad, Avijeet; Cho, Kyung-Suk (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract We explore the processes of the repetitive buildup and the explosive release of magnetic energy, together with the formation of magnetic flux ropes, which eventually resulted in three homologous eruptive ...
  • Evolution of the chameleon scalar field in the early universe 
    Mota, David; Schelpe, C. A. O. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    In order to satisfy limits on the allowed variation of particle masses from big bang nucleosynthesis until today, the chameleon scalar field is required to reach its attractor solution early on in its cosmological evolution. ...
  • Examining the self-interaction of dark matter through central cluster galaxy offsets 
    Cross, D.; Thoron, G.; Jeltema, T.E.; Swart, A.; Hollowood, D.L.; Adhikari, S.; Bocquet, S.; Eiger, O.; Everett, S.; Jobel, J.; Laubner, D.; McDaniel, A.; Aguena, M.; Alves, O.; Andrade-Oliveira, F.; Bacon, D.; Bertin, E.; Brooks, D.; Burke, D.L.; Carnero Rosell, A.; Carrasco Kind, M.; Cawthon, R.; Costanzi, M.; da Costa, L.N.; Pereira, M.E.S.; Davis, T.M.; Desai, S.; Doel, P.; Ferrero, Ismael; Frieman, J.; Garcia-Bellido, J.; Giannini, G.; Gruen, D.; Gruendl, R.A.; Hinton, S.R.; Honscheid, K.; James, D.J.; Kuehn, K.; Marshall, J.L.; Mena-Fernandez, J.; Menanteau, F.; Miquel, R.; Ogando, R.L.C.; Pieres, A.; Plazas Malagon, A.A.; Raveri, M.; Romer, A.K.; Sanchez, E.; Sevilla-Noarbe, I.; Smith, M.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M.E.C.; Tarle, G.; To, C.; Weaverdyck, N.; Weller, J.; Wiseman, P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
  • Excitation and evolution of coronal oscillations in self-consistent 3D radiative MHD simulations of the solar atmosphere 
    Kohutova, Petra; Popovas, Andrius (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Context. Solar coronal loops are commonly subject to oscillations. Observations of coronal oscillations are used to infer physical properties of the coronal plasma using coronal seismology. Aims. Excitation and evolution ...
  • Exploring cosmic origins with CORE: B-mode component separation 
    Remazeilles, Mathieu; Banday, AJ; Baccigalupi, C; Basak, S; Bonaldi, A; De Zotti, G; Delabrouille, J; Dickinson, C; Eriksen, Hans Kristian Kamfjord; Errard, J; Fernández-Cobos, R; Fuskeland, Unni; Hervías-Caimapo, C; López-Caniego, M; Martínez-González, E; Roman, M; Vielva, P; Wehus, Ingunn Kathrine; Achucarro, A; Ade, P; Allison, R; Ashdown, M; Ballardini, M; Banerji, Ranajoy; Bartlett, J; Bartolo, N; Baumann, D; Bersanelli, M; Bonato, M; Borrill, J; Bouchet, F; Boulanger, F; Brinckmann, T; Bucher, M; Burigana, C; Buzzelli, A; Cai, Z.-Y.; Calvo, M; Carvalho, C.-S.; Castellano, G; Challinor, A; Chluba, J; Clesse, S; Colantoni, I; Coppolecchia, A; Crook, M; D'Alessandro, G; de Bernardis, P; de Gasperis, G; Diego, J.-M.; Di Valentino, E.; Feeney, S; Ferraro, S; Finelli, F; Forastieri, F; Galli, S; Genova-Santos, R; Gerbino, M; González-Nuevo, J; Grandis, S; Greenslade, J; Hagstotz, S; Hanany, S; Handley, W; Hernández-Monteagudo, C; Hills, M; Hivon, E; Kiiveri, K; Kisner, T; Kitching, T; Kunz, M; Kurki-Suonio, H; Lamagna, L; Lasenby, A; Lattanzi, M; Lesgourgues, J; Lewis, A; Liguori, M; Lindholm, V; Luzzi, G; Maffei, B; Martins, CJAP; Masi, S; Matarrese, S; McCarthy, D; Melin, JB; Melchiorri, A; Molinari, D; Monfardini, A; Natoli, P; Negrello, M; Notari, A; Paiella, A; Paoletti, D; Patanchon, G; Piat, M; Pisano, G; Polastri, L; Polenta, G; Pollo, A; Poulin, V; Quartin, M; Rubino-Martin, JA; Salvati, L; Tartari, A; Tomasi, M; Tramonte, D; Trappe, N; Trombetti, T; Tucker, C; Valiviita, J; Van de Weijgaert, R; van Tent, B; Vennin, V; Vittorio, N; Young, K; Zannoni, M (Journal article / Tidsskriftartikkel / SubmittedVersion, 2018)
    We demonstrate that, for the baseline design of the CORE satellite mission, the polarized foregrounds can be controlled at the level required to allow the detection of the primordial cosmic microwave background (CMB) B-mode ...
  • Exploring the cold and dense circumgalactic medium of BX610 
    Skaug, Thorstein (Master thesis / Masteroppgave, 2023)
  • Exploring the contamination of the DES-Y1 cluster sample with SPT-SZ selected clusters 
    Grandis, S.; Mohr, Joseph J.; Costanzi, M.; Saro, A.; Bocquet, S.; Klein, M.; Aguena, Michel; Allam, S.; Annis, J.; Ansarinejad, B.; Bacon, D.; Bertin, E.; Bleem, Lindsey E.; Brooks, D.; Burke, David L.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, J.; Castander, F. J.; Choi, A.; da Costa, L. N.; De Vicente, J.; Desai, S.; Diehl, H. T.; Dietrich, Jörg P.; Doel, P.; Eifler, T. F.; Everett, S.; Ferrero, Ismael; Floyd, B.; Fosalba, P.; Frieman, J.; García-Bellido, Juan; Gaztanaga, E.; Gruen, D.; Gruendl, Robert A.; Gschwend, J.; Gupta, N.; Gutierrez, G.; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, K.; James, D. J.; Jeltema, T.; Kuehn, K.; Lahav, Ofer; Lidman, C.; Lima, M.; Maia, M. A. G.; March, M.; Marshall, J. L.; Melchior, P.; Menanteau, F.; Miquel, R.; Morgan, R.; Myles, Justin; Ogando, R. L. C.; Palmese, A.; Paz-Chinchón, Francisco; Plazas, Andrés A.; Reichardt, Christian L.; Romer, A. K.; Sanchez, E.; Scarpine, V.; Serrano, S.; Sevilla-Noarbe, Ignacio; Singh, P.; Smith, M.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Thomas, D.; To, Chun-Hao; Weller, Jochen; Wilkinson, R. D.; Wu, H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    We perform a cross validation of the cluster catalogue selected by the red-sequence Matched-filter Probabilistic Percolation algorithm (redMaPPer) in Dark Energy Survey year 1 (DES-Y1) data by matching it with the ...
  • Exploring the Limits of Synthetic Creation of Solar EUV Images via Image-to-image Translation 
    Salvatelli, Valentina; Dos Santos, Luiz F. G.; Bose, Souvik; Neuberg, Brad; Cheung, Mark C. M.; Janvier, Miho; Jin, Meng; Gal, Yarin; Güneş Baydin, Atilim (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract The Solar Dynamics Observatory (SDO), a NASA multispectral decade-long mission that has been daily producing terabytes of observational data from the Sun, has been recently used as a use case to demonstrate ...
  • Exploring the Sun with ALMA 
    Bastian, Timothy; Barta, Miroslav; Brajša, Roman; Chen, Bin; De Pontieu, Bart Walter; Gary, D. E.; Fleishman, G.; Hales, Antonio; Iwai, K; Hudson, Hugh; Kim, S; Kobelski, A.; Loukitcheva, Maria; Shimojo, Masumi; Skokić, I.; Wedemeyer, Sven; White, Stephen; Yan, Y (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The Atacama Large Millimeter/submillimeter Array (ALMA) Observatory opens a new window onto the Universe. The ability to perform continuum imaging and spectroscopy of astrophysical phenomena at millimetre and submillimetre ...
  • Extrasolar planets as a probe of modified gravity 
    Vargas dos santos, Marcelo; Mota, David (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
  • Extreme-ultraviolet fine structure and variability associated with coronal rain revealed by Solar Orbiter/EUI HRI_EUV and SPICE 
    Antolin, Patrick; Dolliou, A.; Auchère, F.; Chitta, L.P.; Parenti, S.; Berghmans, D.; Aznar Cuadrado, R.; Barczynski, K.; Gissot, S.; Harra, L.; Huang, Z.; Janvier, M.; Kraaikamp, E.; Long, D.M.; Mandal, S.; Peter, H.; Rodriguez, L.; Schühle, U.; Smith, P.J.; Solanki, S.K.; Stegen, K.; Teriaca, L.; Verbeeck, C.; West, M.J.; Zhukov, A.N.; Appourchaux, T.; Aulanier, Guillaume; Buchlin, E.; Delmotte, F.; Gilles, J.M.; Haberreiter, M.; Halain, J.-P.; Heerlein, K.; Hochedez, J.-F.; Gyo, M.; Poedts, S.; Rochus, P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Context. Coronal rain is the most dramatic cooling phenomenon of the solar corona. Recent observations in the visible and UV spectrum have shown that coronal rain is a pervasive phenomenon in active regions. Its strong ...