论文标题
至少六分之一的星系总是死了
At Least One-in-Six Galaxies Is Always Dead
论文作者
论文摘要
通过数值实验，我们表明$ \ sim $ 10％-20％的被动分数在$ z> 3 $上与Galaxy Star形成历史历史是一致的，这是最大相关的随机过程。如果是这样，则该分数应反映出时间无关的基线，该基线在平均星形形成率上升的任何时期或质量状态下。 $ \ log m_ \ ast <10 $和$ z <0.5 $的数据忍受了，将来的James Webb Space望远镜观测值也应该。
Via numerical experiments, we show that the $\sim$10%-20% passive fraction seen at $z>3$ is consistent with galaxy star formation histories being maximally correlated stochastic processes. If so, this fraction should reflect a time-independent baseline that holds at any epoch or mass regime where mean star formation rates are rising. Data at $\log M_\ast<10$ and $z<0.5$ bear this out, as should future James Webb Space Telescope observations.
