Now showing items 21-36 of 36

  • 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
    Open Access
    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
    Open Access
    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
    Restricted access - publisher's policy
  • 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
    Restricted access - publisher's policy
    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 ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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
    Open Access
    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
    Restricted access - publisher's policy
    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 ...
  • Smoothed particle hydrodynamics: checking a tensor approach to calculating gradients 

    Escartín Vigo, José Antonio; García Senz, Domingo; Cabezón Gómez, Rubén Martín (2013)
    Conference lecture
    Open Access
  • Smooth particle hydrodynamics simulations of deflagrations in supernovae 

    Bravo Guil, Eduardo; García Senz, Domingo (1995-09)
    Article
    Restricted access - publisher's policy
    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 ...
  • SPHYNX: an accurate density-based SPH method for astrophysical applications 

    Cabezon Gomez, Ruben Martin; García Senz, Domingo; Figueira, Joana (EDP Sciences, 2017-10)
    Article
    Open Access
    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 ...
  • Surface and core detonations in rotating white dwarfs 

    García Senz, Domingo; Cabezón Gómez, Rubén Martín; Domínguez, I. (Institute of Physics (IOP), 2018-07-20)
    Article
    Open Access
    The feasibility of the double detonation mechanism—surface helium detonation followed by complete carbon detonation of the core—in a rotating white dwarf with mass ;1Me is studied using three-dimensional hydrodynamic ...
  • Testing the concept of integral approach to derivatives within the smoothed particle hydrodynamics technique in astrophysical scenarios 

    Cabezón Gómez, Rubén Martín; García Senz, Domingo; Escartín Vigo, José Antonio (2012)
    Article
    Open Access
    Context. The smoothed particle hydrodynamics (SPH) technique is a well-known numerical method that has been applied to simulating the evolution of a wide variety of systems. Modern astrophysical applications of the method ...
  • The elusive nature of the r-stars 

    Domínguez, Inmaculada; Piersanti, Luciano; Cabezón Gómez, Rubén Martín; Zamora, O.; García Senz, Domingo; Abia, C.; Straniero, Oscar (2010-10-10)
    Article
    Open Access
    R stars are carbon stars, less luminous and hotter than the carbon stars evolving along the AGB phase. Thus, their carbon enrichment cannot be a consequence of the third dredge-up, a fact also in agreement with the lack ...
  • Three-dimensional simulations of the interaction between the nova ejecta, accretion disk, and companion star 

    Figueira, Joana; José Pont, Jordi; García-Berro Montilla, Enrique; García Senz, Domingo (EDP Sciences, 2018-05-01)
    Article
    Open Access
  • Type Ia supernovae: Can Coriolis force break the symmetry of the gravitational confined detonation explosion mechanism? 

    García Senz, Domingo; Cabezón, Rubén Martin; Domínguez, Inmaculada; Thielemann, Friedrich-K (Institute of Physics (IOP), 2016-03-10)
    Article
    Open Access
    © 2016. The American Astronomical Society. All rights reserved.. Currently the number of models aimed at explaining the phenomena of type Ia supernovae is high and distinguishing between them is a must. In this work we ...
  • Type Ia Supernova models arising from different distributions of igniting points 

    García Senz, Domingo; Bravo Guil, Eduardo (2005-02)
    Article
    Open Access
    In this paper we address the theory of type Ia supernovae from the moment of carbon runaway up to several hours after the explosion. We have concentrated on the boiling-pot model: a deflagration characterized by the (nearly-) ...