Smithsonian Astrophysical Observatory Star Catalog
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This database is based on the electronic version of the SAO catalog from the Astronomical Data Center, which is itself based on an original binary version of the Smithsonian...
本数据库依托天文数据中心（Astronomical Data Center）发布的SAO星表（SAO catalog）电子版构建，而该星表本身则源自史密森学会（Smithsonian）的原始二进制版本
