On the homogeneity of type IA supernovae light curves

被引：1

作者：

Mayer, FJ ^{[1
]}

Reitz, JR ^{[1
]}

机构：

[1] Mayer Appl Res Inc, Ann Arbor, MI 48103 USA

来源：

ASTROPHYSICS AND SPACE SCIENCE | 2002年 / 282卷 / 02期

关键词：

type Ia supernovae; light curves;

D O I：

10.1023/A:1020816605697

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A self-similar, hydrodynamic model is derived and used to generate SNe light-curves. It is found that the temporal development of the SN light-curve is governed by a 'dynamic time' parameter, and that the observed near-identical, normalized light-curves of Type Ia SNe suggest that they have evolved from progenitor stars of the same central density. Fitting the model parameters to observed Type Ia SNe light-curves suggests that the SNe have originated from the same mass progenitors. The model also provides a theoretical basis for the Phillips observation relating the absolute magnitude of the Type Ia SN to its half-width.

引用

页码：439 / 445

页数：7

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