International Reference Stars (IRS)
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The IRS is an all-sky catalog of positions and proper motions that is based on the AGK3R (Corbin 1977, 1978) in the Northern Hemisphere and on the newly completed SRS (Smith et...
IRS是一份收录天体位置与自行(proper motions)的全天星表(all-sky catalog),其北半球部分的数据基于AGK3R(Corbin 1977、1978),其余天区则基于新近完成的SRS(Smith等人……)



