开普勒星的星震年龄和半径
Asteroseismic age and radius of Kepler stars
摘要：
开普勒任务的主要目标是通过在三年半的名义周期内连续观察天空的一个区域来检测和描述类地行星的特征。超过100，000颗恒星将被监测，其中一小部分的节奏为1分钟，使许多恒星的星震研究成为可能。目标的子集将主要包括太阳型和行星宿主恒星，对这些恒星的观测时间最短为1个月，最长为1个月，这取决于单个目标的科学产量。在这些数据中将检测到许多振荡频率，这些频率将用于限制恒星的基本参数。我调查的效果，增加a）的观察长度和b）的信号质量，对最终确定的一些恒星的全球参数，如半径和年龄。
英文摘要：
The Kepler mission's primary goal is the detection and characterization of Earth-like planets by observing continuously a region of sky for a nominal period of three-and-a-half years. Over 100,000 stars will be monitored, with a small subset of these having a cadence of 1 minute, making asteroseismic studies for many stars possible. The subset of targets will consist of mainly solar-type and planet-hosting stars, and these will be observed for a minimum period of 1 month and a maximum depending on the scientific yield of the individual target. Many oscillation frequencies will be detected in these data, and these will be used to constrain the star's fundamental parameters. I investigate the effect that an increase in a) the length of observation and b) the signal quality, has on the final determination of some stellar global parameters, such as the radius and the age.
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