Herbig Ae/Be stars

被引:246
作者
Waters, LBFM
Waelkens, C
机构
[1] Univ Amsterdam, Astron Inst Anton Pannekoek, NL-1098 SJ Amsterdam, Netherlands
[2] Katholieke Univ Leuven, Inst Sterrenkunde, B-3001 Heverlee, Belgium
关键词
pre-main-sequence stars; circumstellar matter; protoplanetary systems; stellar evolution;
D O I
10.1146/annurev.astro.36.1.233
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We review the wide range of observed properties of Herbig Ae/Be stars and try to combine this rich data set into a consistent picture of their circumstellar environment and evolutionary status. We discuss in some detail the geometry of the circumstellar environment. The presence of disks in Herbig Ae/Be stars is inferred from direct and indirect observational evidence. Envelopes can dominate the spectral energy distributions on large angular scales. In some stars, a fairly massive disk persists until the star has reached the main sequence. The evidence for an evolutionary link between isolated Herbig Ae/Be stars and beta Pictoris is summarized.
引用
收藏
页码:233 / 266
页数:34
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