T Tauri星AS 353B的次亚秒伴星
天体物理学
2009-11-10 v1
摘要
亚麻醉学成像显示，明亮的视T Tauri双星AS 353为层级三体系统。位于AS 353A南方5.6''的次级组件被解析为次亚秒二元组AS 353Ba和Bb，二者之间间隔0.24''。对这两个近似组件进行分辨光谱显示，两者的光谱类型约为M1.5，几乎相同。AS 353A和Ba显示出红外红外增益的明确证据，而AS 353Bb则没有。我们讨论了多重性在启动AS 353A相关的大型Herbig-Haro流中的可能作用。
引用
@article{arxiv.astro-ph/0310170,
title = {A Subarcsecond Companion to the T Tauri Star AS 353B},
author = {A. T. Tokunaga and Bo Reipurth and W. Gaessler and Yutaka Hayano and Masahiko Hayashi and Masanori Iye and Tomio Kanzawa and Naoto Kobayashi and Yukiko Kamata and Yosuke Minowa and Ko Nedachi and Shin Oya and Tae-Soo Pyo and D. Saint-Jacques and Hiroshi Terada and Hideki Takami and Naruhisa Takato},
journal= {arXiv preprint arXiv:astro-ph/0310170},
year = {2009}
}
备注
AASTeXv5.0, 21 pages, 5 figures, Astronomical Journal, in press