A two-temperature model for LBVs

被引：0

作者：

Guo, JH ^{[1
]}

Li, Y ^{[1
]}

Shan, HG ^{[1
]}

机构：

[1] Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China

来源：

CORONAL AND STELLAR MASS EJECTIONS | 2005年 / 226期

关键词：

stars : mass loss; variables : other;

D O I：

10.1017/S1743921305001146

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The continuum energy distributions of R127 and 11110 in the outburst phase are fitted by use of a optically envelope model. Both stars show two peaks in the continuum energy distributions in which one lies in the short-wavelength range (near 1250 angstrom) and the other in the optical band. We suggest that the fluxes in the UV and optical bands may have different origins: the UV flux comes from the central star and the optical flux comes from the expanded optically envelope. We construct such a model for LBVs with the use of two LTE atmosphere models with different temperatures, and find it to be in satisfactory agreement with the observed spectral energy distributions of R127 and R110.

引用

页码：506 / 510

页数：5

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