The dynamical evolution of Be star disks

被引：1

作者：

Haubois, Xavier ^{[1
]}

Carciofi, Alex C. ^{[1
]}

Okazaki, Atsuo T. ^{[2
]}

Bjorkman, Jon E. ^{[3
]}

机构：

[1] Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer, Rua Matao 1226,Cidade Univ, BR-05508900 Sao Paulo, SP, Brazil

[2] Hokkai Gakuen Univ, Fac Engn, Toyohira Ku, Sapporo, Hokkaido 0628605, Japan

[3] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA

来源：

ACTIVE OB STARS: STRUCTURE, EVOLUTION, MASS-LOSS, AND CRITICAL LIMITS | 2011年 / 272期

关键词：

circumstellar matter; radiative transfer; stars: emission-line; Be;

D O I：

10.1017/S1743921311010891

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a novel theoretical tool to analyze the dynamical behaviour of a Be disk fed by non-constant decretion rates. It is mainly based on the computer code HDUST, a fully three-dimensional radiative transfer code that has been successfully applied to study several Be systems so far, and the SINGLEBE code that solves the 1D viscous diffusion problem. We have computed models of the temporal evolution of different types of Be star disks for different dynamical scenarios. By showing the behaviour of a large number of observables (interferometry, polarization, photometry and spectral line profiles), we show how it is possible to infer from observations some key dynamical parameters of the disk.

引用

页码：396 / +

页数：2

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