The Gaia-PS1-SDSS (GPS1) Proper Motion Catalog

This catalog combines Gaia DR1, Pan-STARRS 1, SDSS and 2MASS astrometry to compute proper motions for 350 million sources across three-fourths of the sky down to a magnitude of...本星表整合了盖亚DR1（Gaia DR1）、全景巡天望远镜与快速反应系统1号（Pan-STARRS 1）、斯隆数字巡天（SDSS）以及2微米全天巡天（2MASS）的天体测量数据，为覆盖四分之三天区、星等下限达……的3.5亿个天体源计算了天体自行。