Mid-infrared visibility measurements of evolved stars

被引：15

作者：

Sudol, JJ

Dyck, HM

Stencel, RE

Klebe, DI

Creech-Eakman, MJ

机构：

[1] Univ Wyoming, Dept Phys & Astron, Laramie, WY 82071 USA

[2] Univ Denver, Dept Phys & Astron, Denver, CO 80208 USA

来源：

ASTRONOMICAL JOURNAL | 1999年 / 117卷 / 03期

关键词：

circumstellar matter; stars : AGB and post-AGB; stars : mass loss;

D O I：

10.1086/300772

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have used Denver University's Ten-and-Twenty Micron Camera at the Wyoming Infrared Observatory to image 12 evolved stars at 11.5 mu m. We have obtained both visibility data and photometric magnitudes from these images. We have partially resolved the circumstellar dust shell for eight of these 12 stars: alpha Ori, VY CMa, IRC +10216, chi Cyg, IK Tau, NML Cyg, mu Cep, and IRC +10420. We compare our data to published data and to visibility curves predicted by radiative transfer models in the literature.

引用

页码：1609 / 1615

页数：7

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