Proper motions with Subaru SDF

We search for stars with proper motions in a set of twenty deep Subaru images, covering about 0.28 square degrees to a depth of i'~25, taken over a span of six years. In this...我们在由二十张深度昴星团望远镜（Subaru）观测图像组成的数据集内，搜寻具有自行（proper motions）的恒星。该批观测图像覆盖约0.28平方度的天区，i'波段成像极限星等约为25等，观测历时六年。在本次...