Ara es mostren els items 1-20 de 28

    • 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'editorial
      Despite 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'editorial
      We 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 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 obert
      We 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 ...
    • 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'editorial
      We 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 ...
    • 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 obert
      Type 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 ...
    • 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'editorial
      We 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 ...
    • Evidence for a sub-Chandrasekhar-mass type Ia supernova in the Ursa Minor dwarf galaxys 

      McWilliam, Andrew; Piro, Anthony; Badenes Montoliu, Carles; Bravo Guil, Eduardo (2018-04-19)
      Article
      Accés obert
      A long-standing problem is identifying the elusive progenitors of Type Ia supernovae (SNe Ia), which can roughly be split into Chandraksekhar and sub-Chandrasekhar-mass events. An important difference between these two ...
    • Exploring the physics of type Ia supernovae through the x-ray spectra of their remnants 

      Badenes Montoliu, Carles; Borkowski, K.; Bravo Guil, Eduardo; Hughes, J.P.; Hwang, U. (Istituto Nazionale di Astrofisica, 2005-10)
      Article
      Accés obert
      We present the results of an ongoing project to use the X-ray observations of Type Ia Supernova Remnants to constrain the physical processes involved in Type Ia Supernova explosions. We use the Tycho Supernova Remnant (SN ...
    • Gamma-ray emission from SN2014J near maximum optical light 

      Isern Vilaboy, Jordi; Jean, Pierre; Bravo Guil, Eduardo; Knodlseder, Jurgen; Lebrun, François; Churazov, Eugene; Sunyaev, Rashid; Domingo, Alberto; Badenes Montoliu, Carles; Hartmann, Dieter, H; Hoeflich, Peter; Renaud, Matthieu; Soldi, Simona; Elias Rosa, Nancy; Hernanz, Margarita; Domínguez Aguilera, Inmaculada; García Senz, Domingo; Lichti, G.G.; Vedrenne, G.; Von Ballmoos, Peter (EDP Sciences, 2016-04)
      Article
      Accés obert
      Context. The optical light curve of Type Ia supernovae (SNIa) is powered by thermalized gamma-rays produced by the decay of 56Ni and 56Co, the main radioactive isotopes synthesized by the thermonuclear explosion of a C/O ...
    • Is the metallicity of their host galaxies a good measure of the metallicity of Type Ia supernovae? 

      Bravo Guil, Eduardo; Badenes Montoliu, Carles (2011-06)
      Article
      Accés obert
      The efficient use of Type Ia supernovae (SNIa) for cosmological studies requires knowledge of any parameter that can affect their luminosity in either systematic or statistical ways. Observational samples of SNIa commonly ...
    • 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 ...
    • Metallicity as a Source of Dispersion in the SNIa Bolometric Light Curve Luminosity-width Relationship 

      Bravo Guil, Eduardo; Domínguez, Inmaculada; Badenes Montoliu, Carles; Piersanti, Luciano; Straniero, Oscar (2010-02-18)
      Article
      Accés restringit per política de l'editorial
      The recognition that the metallicity of Type Ia supernova (SNIa) progenitors might bias their use for cosmological applications has led to an increasing interest in its role in shaping SNIa light curves. We explore the ...
    • 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 ...
    • Observational evidence for high neutronization in supernova remnants : implications for type Ia supernova progenitors 

      Martinez Rodriguez, Hector; Badenes Montoliu, Carles; Yamaguchi, H; Bravo Guil, Eduardo; Timmes, Frank; Miles, Broxton; Townsley, Dean; Piro, Anthony; Mori, Hideyuki; Andrews, Brett; Park, Sangwook (2017-06-28)
      Article
      Accés obert
      The physical process whereby a carbon–oxygen white dwarf explodes as a Type Ia supernova (SN Ia) remains highly uncertain. The degree of neutronization in SN Ia ejecta holds clues to this process because it depends on the ...
    • Práctica 1. Entorno Unix 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Badenes Montoliu, Carles; Forné Muñoz, Jorge; Gorricho Moreno, Juan Luis; Hesselbach Serra, Xavier (Universitat Politècnica de Catalunya, 1999-10)
      Pràctica
      Accés obert
    • Práctica 2. Introducción al entorno de simulación Ptolemy 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Badenes Montoliu, Carles; Forné Muñoz, Jorge; Gorricho Moreno, Juan Luis; Hesselbach Serra, Xavier (Universitat Politècnica de Catalunya, 1999-10)
      Pràctica
      Accés obert
    • Práctica 3. Pulsos de Nyquist 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Badenes Montoliu, Carles; Forné Muñoz, Jorge; Gorricho Moreno, Juan Luis; Hesselbach Serra, Xavier (Universitat Politècnica de Catalunya, 1999-10)
      Pràctica
      Accés obert
    • Práctica 4. Sistema de transmisión de datos en banda base 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Badenes Montoliu, Carles; Forné Muñoz, Jorge; Gorricho Moreno, Juan Luis; Hesselbach Serra, Xavier (Universitat Politècnica de Catalunya, 1999-10)
      Pràctica
      Accés obert
    • Práctica 5. Ecualización 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Badenes Montoliu, Carles; Forné Muñoz, Jorge; Gorricho Moreno, Juan Luis; Hesselbach Serra, Xavier (Universitat Politècnica de Catalunya, 1999-10)
      Pràctica
      Accés obert
    • Secondary fe-peak nuclei in the tycho supernova remnant 

      Badenes Montoliu, Carles; Bravo Guil, Eduardo; Hughes, J.P. (2008)
      Comunicació de congrés
      Accés obert
      The Mn to Cr mass ratio in supernova ejecta has recently been proposed as a tracer of Type Ia SN progenitor metallicity. We review the advantages and problems of this observable quantity, and discuss them in the framework ...