Title: What asteroseismology can do for exoplanets Show Chinese title

Title: 什么恒星地震学能为系外行星做的

Abstract: We describe three useful applications of asteroseismology in the context of exoplanet science: (1) the detailed characterisation of exoplanet host stars; (2) the measurement of stellar inclinations; and (3) the determination of orbital eccentricity from transit duration making use of asteroseismic stellar densities. We do so using the example system Kepler-410 (Van Eylen et al. 2014). This is one of the brightest (V = 9.4) Kepler exoplanet host stars, containing a small (2.8 Rearth) transiting planet in a long orbit (17.8 days), and one or more additional non-transiting planets as indicated by transit timing variations. The validation of Kepler-410 (KOI-42) was complicated due to the presence of a companion star, and the planetary nature of the system was confirmed after analyzing a Spitzer transit observation as well as ground-based follow-up observations. Show Chinese abstract

Abstract: 我们描述了恒星振荡学（asteroseismology）在系外行星科学中的三个有用应用：(1) 对系外行星宿主恒星的详细特征化；(2) 测量恒星倾角；以及 (3) 利用恒星密度从凌日持续时间确定轨道偏心率。我们通过开普勒-410系统（Van Eylen 等人，2014 年）作为例子来说明这一点。这是最亮的开普勒系外行星宿主恒星之一（V = 9.4），包含一颗小的（2.8 Rearth）凌日行星，公转周期为17.8天，以及一个或多个由凌星时间变化指示的非凌日行星。由于伴星的存在，验证开普勒-410（KOI-42）的过程很复杂，系统的行星性质最终通过分析斯皮策望远镜的凌星观测数据以及地面后续观测得到确认。