Rotation periods and ages of cool host stars

Age is a stellar parameter that is both fundamental and difficult to determine. Among middle-aged M dwarfs, the most prolific hosts of close-in and detectable exoplanets,...年龄是一项既基础又难以精准测定的恒星参数。在中年M型矮星（M dwarf）这一拥有近距离且可探测系外行星的最高产宿主类群中，……