Fifth U.S. Naval Observatory CCD Astrograph Catalog (UCAC5) ConeSearch

New astrometric reductions of the US Naval Observatory CCD Astrograph Catalog (UCAC) all-sky observations were performed from first principles using the TGAS stars in the 8 to...针对美国海军天文台CCD天体照相星表（UCAC）的全天观测数据，研究人员基于第一性原理，采用8至……范围内的TGAS星源，完成了全新的天体测量归算工作。