Are the models for type Ia supernova progenitors consistent with the properties of supernova remnants?

被引:134
作者
Badenes, Carles
Hughes, John P.
Bravo, Eduardo
Langer, Norbert
机构
[1] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
[2] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA
[3] Univ Politecn Cataluna, Dept Fis & Engn Nucl, E-08028 Barcelona, Spain
[4] Inst Estudis Espacials Catalunya, Fac Ciencias, Barcelona, Spain
[5] Univ Utrecht, Astron Inst, NL-3508 TA Utrecht, Netherlands
关键词
binaries : close; hydrodynamics; supernova remnants; supernovae : general; X-rays : ISM;
D O I
10.1086/518022
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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 single-degenerate scenario predict substantial outflows during the presupernova evolution. Expanding on previous work, we estimate the imprint of these outflows on the structure of the circumstellar medium at the time of the supernova explosion, and the effect that this modified circumstellar medium has on the evolution of the ensuing supernova remnant. We compare our simulations with the observational properties of known Type Ia supernova remnants in the Galaxy (Kepler, Tycho, SN 1006), the Large Magellanic Cloud (0509-67.5, 0519-69.0, N103B), and M31 (SN 1885). We find that optically thick outflows from the white dwarf surface (sometimes known as "accretion winds'') with velocities above 200 km s(-1) excavate large low-density cavities around the progenitors. Such large cavities are incompatible with the dynamics of the forward shock and the X-ray emission from the shocked ejecta in all the Type Ia remnants that we have examined.
引用
收藏
页码:472 / 486
页数:15
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