Lopsided explosion models for Type Ia supernovae

被引：0

作者：

Sim, S. A. ^{[1
]}

Kromer, M. ^{[1
]}

Hillebrandt, W. ^{[1
]}

Roepke, F. K. ^{[1
]}

机构：

[1] Max Planck Inst Astrophys, D-85748 Garching, Germany

来源：

PROBING STELLAR POPULATIONS OUT TO THE DISTANT UNIVERSE | 2009年 / 1111卷

关键词：

radiative transfer; supernovae: general; OFF-CENTER IGNITION; 3-DIMENSIONAL SIMULATIONS; THERMONUCLEAR SUPERNOVAE; DEFLAGRATION MODEL; RADIATIVE-TRANSFER; DETONATION;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In recent years, considerable progress has been made in the hydrodynamical modelling of possible Type Ia supernovae scenarios and fully three-dimensional explosion simulations can now be carried out, as required for a realistic treatment of turbulent combustion. Some multi-dimensional explosion models predict significant departures from sphericity - one such class of model is that in which ignition takes place off-centre, leading to a lop-sided distribution of the products of nuclear burning. We discuss such a model and present our recent results from multi-dimensional radiative transfer calculations for light curves. We show that viewing-angle effects are significant in such explosions and that they may have a role to play in explaining some unusually bright events.

引用

页码：281 / 284

页数：4

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