XC1位置和自行星表
收藏国家地球系统科学数据中心2017-07-18 更新2024-03-04 收录
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https://www.geodata.cn/data/datadetails.html?dataguid=177422226477513&docId=27181
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资源简介：
We present the astrometric catalogue of faint reference stars in
255deg2 sized fields with ICRF objects of northern hemisphere. The
XC1 is based on our results of measurements and astrometric reduction
of digitized images of Schmidt plates POSS-I and POSS-II sky surveys
obtained from USNOFS PMM Image Archive.
提供机构：
中国科学院国家天文台
创建时间：
2005-07-18
