Expectations for the hard x-ray continuum and gamma-ray line fluxes from the typE IA supernova SN 2014J in M82

The, Lih-Sin; Burrows, Adam

doi:10.1088/0004-637X/786/2/141

Title: Expectations for the hard x-ray continuum and gamma-ray line fluxes from the typE IA supernova SN 2014J in M82

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Abstract

The hard X-ray continuum and gamma-ray lines from a Type Ia supernova dominate its integrated photon emissions and can provide unique diagnostics of the mass of the ejecta, the {sup 56}Ni yield and spatial distribution, its kinetic energy and expansion speed, and the mechanism of explosion. Such signatures and their time behavior 'X-ray' the bulk debris field in direct fashion, and do not depend on the ofttimes problematic and elaborate UV, optical, and near-infrared spectroscopy and radiative transfer that have informed the study of these events for decades. However, to date no hard photons have ever been detected from a Type Ia supernova in explosion. With the advent of the supernova SN 2014J in M82, at a distance of ∼3.5 Mpc, this situation may soon change. Both NuSTAR and INTEGRAL have the potential to detect SN 2014J, and, if spectra and light curves can be measured, would usefully constrain the various explosion models published during the last ∼30 yr. In support of these observational campaigns, we provide predictions for the hard X-ray continuum and gamma-line emissions for 15 Type Ia explosion models gleaned from the literature. The model set, containing as it does deflagration, delayed detonation, merger detonation, pulsational delayedmore »« less

Authors:

The, Lih-Sin ^[1]; Burrows, Adam ^[2]

Department of Physics and Astronomy, Clemson University, SC 29634 (United States)
Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544 (United States)

Publication Date:: Sat May 10 00:00:00 EDT 2014

OSTI Identifier:: 22356896

Resource Type:: Journal Article

Journal Name:: Astrophysical Journal

Additional Journal Information:: Journal Volume: 786; Journal Issue: 2; Other Information: Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0004-637X

Country of Publication:: United States

Language:: English

Subject:: 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ABSORPTION SPECTROSCOPY; COSMIC GAMMA SOURCES; COSMIC X-RAY SOURCES; EXPANSION; EXPLOSIONS; FORECASTING; GAMMA RADIATION; HARD X RADIATION; HELIUM; INFRARED SPECTRA; MASS; NEAR INFRARED RADIATION; NICKEL 56; PHOTON EMISSION; PHOTONS; RADIANT HEAT TRANSFER; SPATIAL DISTRIBUTION; SUPERNOVAE; VELOCITY; VISIBLE RADIATION

Citation Formats


                    The, Lih-Sin, and Burrows, Adam. Expectations for the hard x-ray continuum and gamma-ray line fluxes from the typE IA supernova SN 2014J in M82.  United States: N. p., 2014. 
        Web.  doi:10.1088/0004-637X/786/2/141.

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                    The, Lih-Sin, & Burrows, Adam. Expectations for the hard x-ray continuum and gamma-ray line fluxes from the typE IA supernova SN 2014J in M82.  United States.  https://doi.org/10.1088/0004-637X/786/2/141

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                    The, Lih-Sin, and Burrows, Adam. 2014.  
        "Expectations for the hard x-ray continuum and gamma-ray line fluxes from the typE IA supernova SN 2014J in M82".  United States.  https://doi.org/10.1088/0004-637X/786/2/141.

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@article{osti_22356896,

  title        = {Expectations for the hard x-ray continuum and gamma-ray line fluxes from the typE IA supernova SN 2014J in M82},

  author       = {The, Lih-Sin and Burrows, Adam},

  abstractNote = {The hard X-ray continuum and gamma-ray lines from a Type Ia supernova dominate its integrated photon emissions and can provide unique diagnostics of the mass of the ejecta, the {sup 56}Ni yield and spatial distribution, its kinetic energy and expansion speed, and the mechanism of explosion. Such signatures and their time behavior 'X-ray' the bulk debris field in direct fashion, and do not depend on the ofttimes problematic and elaborate UV, optical, and near-infrared spectroscopy and radiative transfer that have informed the study of these events for decades. However, to date no hard photons have ever been detected from a Type Ia supernova in explosion. With the advent of the supernova SN 2014J in M82, at a distance of ∼3.5 Mpc, this situation may soon change. Both NuSTAR and INTEGRAL have the potential to detect SN 2014J, and, if spectra and light curves can be measured, would usefully constrain the various explosion models published during the last ∼30 yr. In support of these observational campaigns, we provide predictions for the hard X-ray continuum and gamma-line emissions for 15 Type Ia explosion models gleaned from the literature. The model set, containing as it does deflagration, delayed detonation, merger detonation, pulsational delayed detonation, and sub-Chandrasekhar helium detonation models, collectively spans a wide range of properties, and hence signatures. We provide a brief discussion of various diagnostics (with examples), but importantly make the spectral and line results available electronically to aid in the interpretation of the anticipated data.},

  doi          = {10.1088/0004-637X/786/2/141},

  url          = {https://www.osti.gov/biblio/22356896},
  journal      = {Astrophysical Journal},

  issn         = {0004-637X},

  number       = 2,

  volume       = 786,

  place        = {United States},

  year         = {Sat May 10 00:00:00 EDT 2014},

  month        = {Sat May 10 00:00:00 EDT 2014}

}

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