Ara es mostren els items 21-40 de 47

    • Gamma-ray spectrum of type Ia supernovae 

      Isern Vilaboy, Jordi; Bravo Guil, Eduardo; Gómez, J.; García Senz, Domingo; Jean, Pierre (1999-12)
      Article
      Accés restringit per política de l'editorial
      The explosion mechanism associated with thermonuclear supernovae (SNia) is still a matter of debate. In this paper we examine the 'f-ray emission of the radioactive debris predicted by the different theoretícal models ...
    • High-temperature combustion: Approaching equilibrium using nuclear networks 

      Cabezón Gómez, Rubén Martín; García Senz, Domingo; Bravo Guil, Eduardo (2004-04)
      Article
      Accés restringit per política de l'editorial
    • Hypersonic collision of a blast wave on a low-mass star 

      García Senz, Domingo; Serichol Augué, Núria; Bravo Guil, Eduardo (2001-03)
      Article
      Accés obert
      When a neutron star is born as a result of the accretion-induced collapse (AIC) of a white dwarf, a small but signi_cant fraction of its mass can be simultaneously expelled at a velocity of around 104 kms −1. In this paper ...
    • Improving smoothed particle hydrodynamics with an integral approach to calculating gradients 

      García Senz, Domingo; Cabezón Gómez, Rubén Martín; Escartín Vigo, José Antonio (2012-01-26)
      Article
      Accés obert
      Context. The smoothed particle hydrodynamics (SPH) technique is a well-known numerical method that has been applied to simulate the evolution of a wide variety of systems. Modern astrophysical applications of the method ...
    • Integral SPH: Connecting the partition of unit to accurate gradient estimation 

      García Senz, Domingo; Cabezón Gómez, Rubén Martín (University of Exeter, 2019)
      Comunicació de congrés
      Accés obert
    • Interaction of hemispherical blast waves with inhomogeneous spheres: probing the collision of a supernova ejecta with a nearby companion star in the laboratory 

      García Senz, Domingo; Velarde, Pedro; Suzuki Vidal, Francisco; Stehlé, Chantal; Cotelo Ferreiro, Manuel; Portillo García, David; Plewa, Tomasz; Pak, Arthur (Institute of Physics (IOP), 2019-02-01)
      Article
      Accés obert
      Past laboratory experiments at high energy density have provided insights into the physics of supernovae, supernovaremnants, and the destruction of interstellar clouds. In a typical experimental setting, a laser-driven ...
    • Interaction of Supernovae remnants: From the circumstellar medium to the terrestrial laboratory 

      Velarde, P; García Senz, Domingo; Bravo Guil, Eduardo; Ogando, F; Relaño, A; Oliva, E (2006-09)
      Article
      Accés obert
      The evolution of supernova remnants (SNRs) represents a useful and natural laboratory for gasdynamics studies. In this paper the results of several hydrodynamical simulations of the propagation and early phases of interaction ...
    • Is there a hidden hole in type la supernova remnants? 

      García Senz, Domingo; Badenes Montoliu, Carles; Serichol, N. (2012-01-20)
      Article
      Accés obert
      In this paper, we report on the bulk features of the hole carved by the companion star in the material ejected during a Type Ia supernova (SN Ia) explosion. In particular we are interested in the long-term evolution of the ...
    • Nucleosynthesis as a result of multiple delayed detonations in Type Ia Supernovae 

      García Senz, Domingo; Bravo Guil, Eduardo (2003-05)
      Article
      Accés restringit per política de l'editorial
      The explosion of a white dwarf of mass 1.36 M⊙ has been simulated in three dimensions with the aid of a SPH code. The explosion follows the delayed detonation paradigm. In this case the deflagration-detonation transition ...
    • Observation of SN2011fe with INTEGRAL - I : pre-maximum phase 

      Isern Vilaboy, Jordi; Jean, Pierre; Bravo Guil, Eduardo; Diehl, Roland; Knödlseder, Jurgen; Domingo, A.; Hirschmann, Alina; Hoeflich, Peter; Lebrun, F.; Renaud, M.; Soldi, Simona; Elias-Rosa, Nancy; Hernanz Carbó, Margarita; Kulebi, Baybar; Zhang, X.; Badenes Montoliu, Carles; Domínguez, Inmaculada; García Senz, Domingo; Jordi, Carme; Lichti, G.; Vedrenne, G.; von Ballmoos, Peter (2013-04)
      Article
      Accés obert
      Context. SN2011fe was detected by the Palomar Transient Factory in M101 on August 24, 2011, a few hours after the explosion. From the early optical spectra it was immediately realized that it was a Type Ia supernova, thus ...
    • P-process nucleosynthesis in detonating white dwarfs in the light of multidimensional hydrodynamical models 

      Goriely, S; García Senz, Domingo; Bravo Guil, Eduardo; José Pont, Jordi (2005-12)
      Article
      Accés obert
      The p-process nucleosynthesis in He-accreting white dwarfs with sub-Chandrasekhar mass is revisited in the light of multi-dimensional hydrodynamical simulations. Post-processing calculations are performed on a sample of ...
    • Pulsating reverse detonation models of Type Ia supernovae. I. Detonation ignition 

      Bravo Guil, Eduardo; García Senz, Domingo (2009-04)
      Article
      Accés restringit per política de l'editorial
    • Pulsating reverse detonation models of Type Ia supernovae. II. Explosion 

      Bravo Guil, Eduardo; García Senz, Domingo; Cabezón Gómez, Rubén Martín; Domínguez, Inmaculada (2009-04)
      Article
      Accés restringit per política de l'editorial
      Observational evidences point to a common explosion mechanism of Type Ia supernovae based on a delayed detonation of a white dwarf (WD). However, all attempts to find a convincing ignition mechanism based on a delayed ...
    • Self-gravitating barotropic equilibrium configurations of rotating bodies with smoothed particle hydrodynamics 

      García Senz, Domingo; Cabezón Gómez, Rubén Martín; Blanco Iglesias, José Miguel; Lorén Aguilar, Pablo (EDP Sciences, 2020-05-14)
      Article
      Accés obert
    • Simulations of radiative shocks and jet formation in laboratory plasmas 

      Velarde, Pedro; González, Matthias; Oliva, Eduardo; Kasperczuk, Andrzej; Pisarczyk, Tadeusz; Ullschmied, Jiri; Stehlé, Chantal; Rus, Bedrich; García Senz, Domingo; Bravo Guil, Eduardo; Relaño, Antonio (IOP Publishing, 2007)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We present the simulations of two relevant hydrodynamical problems related to astrophysical phenomena performed by three different codes. The numerical results from these codes will be compared in order to test both the ...
    • Single and multiple detonations in white dwarfs 

      García Senz, Domingo; Bravo Guil, Eduardo; Woosley, S (1999-09)
      Article
      Accés obert
      A currently favored model for Type Ia supernovae consists of a carbon-oxygen (CO) white dwarf ( 0.6–1.0 M), surrounded by a thick layer of helium ( 0.2–0.3 M), which explodes as a consequence of successive detonations in ...
    • SIXE: An X-ray experiment for the MINISAT platform 

      Bravo Guil, Eduardo; García-Berro Montilla, Enrique; Gutiérrez Cabello, Jordi; José Pont, Jordi; García Senz, Domingo; Cabestany Moncusí, Joan; Madrenas Boadas, Jordi (2001-01)
      Article
      Accés restringit per política de l'editorial
      SIXE (Spanish Italian X-ray Experiment) is an X-ray payload with geometric area of ~3200 cm2 , formed by four identical gas-filled Multiwire Proportional Counters devoted for a long term spectroscopy of selected X-ray ...
    • Smooth particle hydrodynamics simulations of deflagrations in supernovae 

      Bravo Guil, Eduardo; García Senz, Domingo (1995-09)
      Article
      Accés restringit per política de l'editorial
      Some results of a set of tridimensional calculations concerning the explosion of a white dwarf by means of a smooth particle hydrodynamics (SPH) code are presented. The burning front advance is solved along with the ...
    • Smoothed particle hydrodynamics: checking a tensor approach to calculating gradients 

      Escartín Vigo, José Antonio; García Senz, Domingo; Cabezón Gómez, Rubén Martín (2013)
      Comunicació de congrés
      Accés obert
    • SPHYNX: an accurate density-based SPH method for astrophysical applications 

      Cabezon Gomez, Ruben Martin; García Senz, Domingo; Figueira, Joana (EDP Sciences, 2017-10)
      Article
      Accés obert
      Aims. Hydrodynamical instabilities and shocks are ubiquitous in astrophysical scenarios. Therefore, an accurate numerical simulation of these phenomena is mandatory to correctly model and understand many astrophysical ...