论文标题
从旋转速度和投影旋转速度推断恒星的倾斜角度
On the Inference of a Star's Inclination Angle from its Rotation Velocity and Projected Rotation Velocity
论文作者
论文摘要
可以通过结合恒星旋转速度($ v $)的测量值及其在我们的视线($ v \ sin I $)上的投影来了解恒星旋转轴的方向。这个想法发现了许多应用,包括对恒星具有过境行星的斜率进行调查。在这里,我们提出了一种基于约束$ v $和$ v \ sin i $的独立数据集对恒星旋转轴倾斜的概率推断的方法。我们还纠正了文献中出现的几个错误和误解。
It is possible to learn about the orientation of a star's rotation axis by combining measurements of the star's rotation velocity ($v$) and its projection onto our line of sight ($v\sin i$). This idea has found many applications, including the investigation of the obliquities of stars with transiting planets. Here, we present a method for the probabilistic inference of the inclination of the star's rotation axis based on independent data sets that constrain $v$ and $v\sin i$. We also correct several errors and misconceptions that appear in the literature.