Membership in 12 stellar streams from DES

We cross-match high-precision astrometric data from Gaia DR2 with accurate multiband photometry from the Dark Energy Survey (DES) DR1 to confidently measure proper motions for...我们将盖亚卫星第二数据发布（Gaia DR2）提供的高精度天体测量数据，与暗能量巡天（Dark Energy Survey, DES）第一数据发布（DR1）的精准多波段测光数据开展交叉匹配，以可靠地测定……的天体自行。