59766个恒星的绝对自行数据
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The catalog PUL2 was made by photographic method in Pulkovo in accordance with Deutsch plan (KSZ, Deutch A.N., 1952IAUT....8..789D). Observations were made using Pulkovo Normal astrograph. The first epochs of photographic plates were fulfilled since 1937 till 1965, and the second ones - since 1969 till 1986. PUL2 includes 149 areas uniformly covering the North sky.
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中国科学院国家天文台创建时间：
2004-07-18
