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The explosion mechanism associated with thermonuclear supernovae (SNIa) is still a matter of debate. There is a wide agreement that high amounts of of radioactive nuclei are produced during these events and they are expected to be strong…

Astrophysics · Physics 2009-10-30 Jordi Gomez-Gomar , Jordi Isern , Pierre Jean

We present $\gamma $-ray spectra for a set of Type Ia supernovae models. Our study is based on a detailed Monte Carlo transport scheme for both spherical and full 3-D geometries. Classical and new challenges of the $\gamma $ ray astronomy…

Astrophysics · Physics 2015-06-24 P. Hoeflich

Gamma-ray line emission is a direct probe of the nucleosynthesis that occurs in Type Ia supernovae. In this work we describe the wealth of information obtainable from observations of this emission. Advanced Compton telescope designs are…

Astrophysics · Physics 2007-05-23 P. A. Milne , R. A. Kroeger , L. -S. The

Besides the fact that the gamma-ray emission due to radioactive decays is responsible for powering the light curves of Type Ia supernovae (SNe Ia), gamma rays themselves are of particular interest as a diagnostic tool because they provide a…

Over the past years type Ia supernovae (SNe Ia) have become a major tool to determine the expansion history of the Universe, and considerable attention has been given to, both, observations and models of these events. However, until now,…

High Energy Astrophysical Phenomena · Physics 2017-01-18 Michele Sasdelli , W. Hillebrandt , M. Kromer , E. E. O. Ishida , F. K. Roepke , S. A. Simm , R. Pakmor

Supernovae (SNe) are the most fascinating objects in astronomy and are intensely investigated. However, many mysteries such as nucleosynthesis and the origin of SNe Ia remain unsolved. Although the thermonuclear explosion of a…

Instrumentation and Methods for Astrophysics · Physics 2018-05-22 Yoshitaka Mizumura , Atsushi Takada , Toru Tanimori

This Resource Letter provides a guide to the literature on the observations of supernovae and the theory of their explosion mechanisms. Journal articles and books are cited for the following topics: observations of the spectra,…

Astrophysics · Physics 2015-06-24 J. Craig Wheeler

Type Ia supernovae (SNe Ia) are a prime tool in observational cosmology. A relation between their peak luminosities and the shapes of their light curves allows to infer their intrinsic luminosities and to use them as distance indicators.…

Solar and Stellar Astrophysics · Physics 2010-02-15 F. K. Roepke , W. Hillebrandt , D. Kasen , S. E. Woosley

Motivated by the fact that calibrated light curves of Type Ia supernovae (SNe Ia) have become a major tool to determine the expansion history of the Universe, considerable attention has been given to, both, observations and models of these…

Cosmology and Nongalactic Astrophysics · Physics 2013-02-27 W. Hillebrandt , M. Kromer , F. K. Röpke , A. J. Ruiter

This work utilizes established models of synchrotron-powered light curves for core-collapse supernovae in dense circumstellar environments, namely type IIn and Ibn, to demonstrate the potential for detecting millimeter emission from these…

High Energy Astrophysical Phenomena · Physics 2022-07-27 Nitika Yadlapalli , Vikram Ravi , Anna Y. Q. Ho

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 supernova…

Astrophysics · Physics 2009-11-10 C. Badenes , E. Bravo , K. Borkowski

Photometry is the most easily acquired information about supernovae. The light curves constructed from regular imaging provide signatures not only for the energy input, the radiation escape, the local environment and the progenitor stars,…

Astrophysics · Physics 2016-04-13 Bruno Leibundgut , Nicholas B. Suntzeff

The light curves of Type Ia Supernovae (SN Ia) are powered by gamma-rays emitted by the decay of radioactive elements such as $^{56}$Ni and its decay products. These gamma-rays are downscattered,absorbed, and eventually reprocessed into the…

Type Ia supernovae (SNe Ia) are one of the major tools to determine the cosmological parameters. Utilizing them as distance indicators, it is possible to geometrically survey the universe. To this end, the intrinsic scatter in the…

Astrophysics · Physics 2007-05-23 F. K. Roepke , W. Hillebrandt , S. I. Blinnikov

The last years have witnessed a rapid development of three-dimensional models of Type Ia supernova explosions. Consequently, the next step is to evaluate these models under variation of the initial parameters and to compare them with…

Astrophysics · Physics 2009-11-10 F. K. Roepke

A sensitive survey of the MeV gamma-ray sky is needed to understand important astrophysical problems such as gamma-ray bursts in the early universe, progenitors of Type Ia supernovae, and the nature of dark matter. However, the study has…

Even at extragalactic distances, the shape of supernova ejecta can be effectively diagnosed by spectropolarimetry. We present here results for 17 Type Ia supernovae that allow a statistical study of the correlation among the geometric…

Astrophysics · Physics 2009-11-11 Lifan Wang , Dietrich Baade , Ferdinando Patat

Type Ia supernovae are thought to be the outcome of the thermonuclear explosion of a carbon/oxygen white dwarf in a close binary system. Their optical light curve is powered by thermalized gamma-rays produced by the radioactive decay of…

Astrophysics of Galaxies · Physics 2017-09-11 J. Isern , E. Bravo , P. Jean

Supernovae of type Ia (SNe Ia) are very important for cosmography. To exclude systematic effects in linking the observed light of distant SNe Ia to the parameters of cosmological models, one has to understand the nature of supernova…

Astrophysics · Physics 2009-11-07 S. Blinnikov , E. Sorokina

Thermonuclear (type Ia) supernovae are bright stellar explosions with the unique property that the light curves can be standardized, allowing them to be used as distance indicators for cosmological studies. Many fundamental questions bout…

Solar and Stellar Astrophysics · Physics 2019-10-02 Alan C. Calder , Don E. Willcox , Christopher J. DeGrendele , Desmond Shangase , Michael Zingale , Dean M. Townsley
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