AC 2000.2星表
收藏国家地球系统科学数据中心2017-07-17 更新2024-03-04 收录
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https://www.geodata.cn/data/datadetails.html?dataguid=148834837871649&docId=27264
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资源简介：
The AC 2000.2 is a revised version of the 1997 release of the AC 2000
(Cat. I/247). It was decided that the availability of an improved
reference catalogue and the inclusion of photometry from the Tycho-2
catalogue would be sufficient to warrant a complete re-reduction of
the data and a new distribution of the catalogue. The AC 2000.2
catalog contains positions of 4,621,751 stars at the average epoch of
plate exposures for each star (average 1907).
提供机构：
中国科学院国家天文台
创建时间：
2017-07-17
