PennState /Toruillo中心的天文学搜索行星周围的演化恒星。演化恒星样本的基本参数
The PennState/Toruń Center for Astronomy Search for Planets Around Evolved Stars. Basic parameters of a sample of evolved stars
摘要:
PSU/TCfA搜索演化恒星周围行星的目标是研究行星系统在恒星演化时间尺度上的演化。为了进行这样的分析,行星系统的宿主的精确物理参数是必不可少的。在本文中,我们提出了一个尝试,以获得基本的物理参数的样本中观察到的演化恒星在我们的调查与高分辨率光谱仪的Hobby-Eberly望远镜。
英文摘要:
The objective of the PSU/TCfA Search for Planets Around Evolved Stars is to study evolution of planetary systems in the stellar evolution timescale. For such an analysis precise physical parameters of the hosts of the planetary systems are essential. In this paper we present an attempt to obtain basic physical parameters for a sample of evolved stars observed within our survey with the High Resolution Spectrograph of the Hobby-Eberly Telescope.
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