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Oxygen emission in remnants of thermonuclear supernovae as a probe for their progenitor system
- Kosenko, D. (author)
- Hillebrandt, W. (author)
-
- Kromer, Markus (author)
- Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Institutionen för astronomi,Max-Planck-Institut für Astrophysik, Germany
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- Blinnikov, S. I. (author)
- Pakmor, R. (author)
- Kaastra, J. S. (author)
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- (creator_code:org_t)
- 2015-03-24
- 2015
- English.
- In: Monthly notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 449:2, s. 1441-1448
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Recent progress in numerical simulations of thermonuclear supernova explosions brings up a unique opportunity in studying the progenitors of Type Ia supernovae. Coupling state-of-the-art explosion models with detailed hydrodynamical simulations of the supernova remnant evolution and the most up-to-date atomic data for X-ray emission calculations makes it possible to create realistic synthetic X-ray spectra for the supernova remnant phase. Comparing such spectra with high-quality observations of supernova remnants could allow us to constrain the explosion mechanism and the progenitor of the supernova. The present study focuses in particular on the oxygen emission line properties in young supernova remnants, since different explosion scenarios predict a different amount and distribution of this element. Analysis of the soft X-ray spectra from supernova remnants in the Large Magellanic Cloud and confrontation with remnant models for different explosion scenarios suggest that SNR 0509-67.5 could originate from a delayed detonation explosion and SNR 0519-69.0 from an oxygen-rich merger.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- hydrodynamics
- ISM: supernova remnants
- supernovae: individual: 0509-67.5
- supernovae: individual: 0519-69.0
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Kosenko, D.
- Hillebrandt, W.
- Kromer, Markus
- Blinnikov, S. I.
- Pakmor, R.
- Kaastra, J. S.
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