Hipparcos observations of pre-main-sequence stars

Hipparcos observations of pre-main-sequence stars
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依巴谷对前主序星的观测

DOI:
10.1046/j.1365-8711.1998.02162.x
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发表时间:
1997
影响因子:
4.8
通讯作者:
S. Rucinski
S. Rucinski
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
R. Wichmann;U. Bastian;J. Krautter;I. Jankovics;S. Rucinski

文献摘要

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我们展示了依帕谷对附近低质量前主序 (PMS) 恒星(金牛座 T 星和赫比格 Ae/Be 星)的观测结果。依巴谷获得的数据使我们能够推导出附近三个主要恒星形成区域(SFR)的加权平均视差:天狼星、变色龙 I 和金牛座-御夫座。此外,还给出了孤立物体 AB Dor 和 TW Hya 的结果。最后,我们根据依巴谷结果讨论了赫比格 Ae/Be (HAEBE) 星的演化状况。
We present first results of Hipparcos observations of nearby low-mass pre-main-sequence (PMS) stars (T Tauri and Herbig Ae/Be stars). The data obtained by Hipparcos allow us to derive weighted mean parallaxes for three major nearby star-forming regions (SFRs), Lupus, Chamaeleon I and Taurus–Auriga. Furthermore, results on the isolated objects AB Dor and TW Hya are presented. Finally, we discuss the evolutionary status of Herbig Ae/Be (HAEBE) stars on the basis of Hipparcos results.