Exploració per autor "Bravo Guil, Eduardo"
Ara es mostren els items 1-20 de 83
-
A Chandrasekhar mass progenitor for the type Ia supernova remnant 3C 397 from the enhanced abundances of nickel and manganese
Yamaguchi, H; Badenes Montoliu, Carles; Foster, Adam; Bravo Guil, Eduardo; Williams, Brian; Maeda, Keichi; Nobukawa, Masayoshi; Eriksen, Kristoffer; Brickhouse, Nancy; Petre, Robert; Koyama, Katsuyi (2015-03-12)
Article
Accés restringit per política de l'editorialDespite decades of intense efforts, many fundamental aspects of Type Ia supernovae (SNe Ia) remain elusive. One of the major open questions is whether the mass of an exploding white dwarf (WD) is close to the Chandrasekhar ... -
A model grid for the spectral analysis of X-ray emission in young Type Ia supernova remnants
Badenes Montoliu, Carles; Bravo Guil, Eduardo; Borkowski, K.J. (2005-08)
Article
Accés restringit per política de l'editorialWe address a new set of models for the spectral analysis of the X-ray emission from young, ejecta-dominated Type Ia supernova remnants. These models are based on hydrodynamic simulations of the interaction between Type Ia ... -
A new kind of type I supernovae?
Isern Vilaboy, Jordi; Bravo Guil, Eduardo; Domínguez, Inmaculada (Istituto Nazionale di Astrofisica, 2000-12)
Article
Accés obertIn this paper we examine the consequences of the propagation of a slow deflagration front through a C-0 white dwarf that leads to the formation of a marginally bound remnant. This situation corresponds to the transition ... -
A particle code for deflagrations in white dwarfs. I. Numerical techniques
García Senz, Domingo; Bravo Guil, Eduardo; Serichol Augué, Núria (1998-03)
Article
Accés restringit per política de l'editorialIn this paper we report some specific features of the numerical technique used to study the dynamic evolution of massive white dwarfs following the explosive ignition of nuclear fuel under degenerate conditions. We focus ... -
A Super-solar metallicity for the progenitor of Kepler's supernova
Park, Sangwook; Badenes Montoliu, Carles; Mori, Koji; Kaida, Ryohei; Bravo Guil, Eduardo; Schenck, Andrew; Eriksen, Kristoffer A.; Hughes, John P.; Slane, Patrick O.; Burrows, David N.; Lee, Jae-Joon (2013-04)
Article
Accés obertWe have performed deep X-ray observations of the remnant of Kepler's supernova (SN 1604) as a Key Project of the Suzaku Observatory. Our main goal is to detect secondary Fe-peak elements in the supernova (SN) ejecta to ... -
A three-dimensional picture of the delayed-detonation model of type Ia supernovae
Bravo Guil, Eduardo; García Senz, Domingo (2008-02)
Article
Accés obertAims. Deflagration models poorly explain the observed diversity of SNIa. Current multidimensional simulations of SNIa predict a significant amount of, so far unobserved, carbon and oxygen moving at low velocities. It has ... -
Are the models for type Ia supernova progenitors consistent with the properties of supernova remnants?
Badenes Montoliu, Carles; Hughes, J.P.; Bravo Guil, Eduardo; Langer, N. (2007-06)
Article
Accés restringit per política de l'editorialWe explore the relationship between the models for progenitor systems of Type Ia supernovae and the properties of the supernova remnants that evolve after the explosion. Most models for Type Ia progenitors in the ... -
Axisymmetric smoothed particle hydrodynamics with self-gravity
García Senz, Domingo; Relano, A; Cabezón Gómez, Rubén Martín; Bravo Guil, Eduardo (2009-01)
Article
Accés obertThe axisymmetric form of the hydrodynamic equations within the smoothed particle hydrodynamics (SPH) formalism is presented and checked using idealized scenarios taken from astrophysics (free fall collapse, implosion and ... -
Beyond the bubble catastrophe of type Ia supernovae: Pulsating reverse detonation models
Bravo Guil, Eduardo; García Senz, Domingo (2006-05)
Article
Accés restringit per política de l'editorial -
Bounds on the possible evolution of the gravitational constant from cosmological type-Ia supernovae
Gaztañaga, E.; García-Berro Montilla, Enrique; Isern Vilaboy, Jordi; Bravo Guil, Eduardo; Domínguez, Inmaculada (2002-01)
Article
Accés obertRecent high-redshift type-Ia supernovae results can be used to set new bounds on a possible variation of the gravitational constant G. If the local value of G at the space-time location of distant supernovae is different, ... -
Chandrasekhar and sub-Chandrasekhar models for the x-ray emission of type Ia Supernova remnants. I. Bulk properties
Martinez Rodriguez, Hector; Badenes Montoliu, Carles; Lee, Shiu-Hang; Patnaude, Daniel J.; Foster, Adam; Yamaguchi, Hiroya; Auchettl, Katie; Bravo Guil, Eduardo; Slane, Patrick O.; Piro, Anthony; Park, Sangwook; Nagataki, Shigehiro (Institute of Physics (IOP), 2018-10-03)
Article
Accés obertType Ia supernovae originate from the explosion of carbon–oxygen white dwarfs in binary systems, but the exact nature of their progenitors remains elusive. The bulk properties of Type Ia supernova remnants, such as the ... -
Clues to type ia supernovae progenitors from degenerate carbon ignition models
Bravo Guil, Eduardo; Tornambé, A; Domínguez, Inmaculada; Isern Vilaboy, Jordi (1996-04)
Article
Accés obert -
Cobalt-56 gamma-ray emission lines from the type Ia supernova 2014J
Churazov, Eugene; Sunyaev, Rashid; Isern Vilaboy, Jordi; Knodlseder, Jurgen; Jean, Pierre; Lebrun, François; Chugai, Nikolai; Grebenev, Sergei; Bravo Guil, Eduardo; Sazonov, Sergei; Renaud, Matthieu (2014-08-28)
Article
Accés restringit per política de l'editorialA type Ia supernova is thought to be a thermonuclear explosion of either a single carbon–oxygen white dwarf or a pair of merging white dwarfs. The explosion fuses a large amount of radioactive 56Ni. After the explosion, ... -
Collision of detonation waves and its implications in the nucleosynthesis of Type Ia supernovae
García Senz, Domingo; Bravo Guil, Eduardo (2001-05)
Article
Accés restringit per política de l'editorial -
Composition of the innermost core-collapse supernova ejecta
Fröhlich, C; Hauser, P; Liebendörfer, M; Martínez, G; Thielemann, F -K; Bravo Guil, Eduardo; Zinner, N T; Hix, W R; Langanke, K; Mezzacappa, A; Nomoto, K (2006-01)
Article
Accés restringit per política de l'editorialWith currently known input physics and computer simulations in one dimension, a self-consistent treatment of core-collapse supernovae does not yet lead to successful explosions, while two-dimensional models show some ... -
Computer simulations using implicit Lagrangian hydrodynamics in 3D
Escartín Vigo, José Antonio; García Senz, Domingo; Bravo Guil, Eduardo (2011)
Comunicació de congrés
Accés obertThe method known as Smoothed Particle Hydrodynamics (SPH) is an important tool in modern numerical Astrophysics. It has been extensively used to simulate a large number of systems ranging from planets to clusters of ... -
Consequences of the Collision Between the Gas Ejected in the Collapse of a White Dwarf and a Low-Mass Star
Serichol Augué, Núria; García Senz, Domingo; Bravo Guil, Eduardo (1998-06)
Article
Accés restringit per política de l'editorial -
Constraining deflagration models of type Ia supernovae through intermediate-mass elements
García Senz, Domingo; Bravo Guil, Eduardo; Cabezón Gómez, Rubén Martín; Woosley, S E (2007-05)
Article
Accés restringit per política de l'editorialThe physical structure of a nuclear flame is a basic ingredient of the theory of Type Ia supernovae (SNe Ia). Assuming an exponential density reduction with several characteristic times, we have followed the evolution of ... -
Constraints on the physics of type Ia supernovae from the X-ray spectrum of the Tycho supernova remnant
Badenes Montoliu, Carles; Borkowski, K.J.; Hughes, J.P.; Hwang, U.; Bravo Guil, Eduardo (2006-07)
Article
Accés restringit per política de l'editorialWe explore the relationship between the models for progenitor systems of Type Ia supernovae and the properties of the supernova remnants that evolve after the explosion. Most models for Type Ia progenitors in the ... -
Coulomb corrections to the equation of state of nuclear statistical equilibrium matter: implications for SNIa nucleosynthesis and the accretion-induced collapse of white dwarfs
Bravo Guil, Eduardo; García Senz, Domingo (1999-08)
Article
Accés obertCoulomb corrections to the equation of state of degenerate matter are usually neglected in high-temperature regimes, owing to the inverse dependence of the plasma coupling constant, G, on temperature. However, nuclear ...