1258 Patricia Bauer CDS 1999-01-04 Chen Li <chenli@center.shao.ac.cn> ADC staff ADC Code 630, Goddard Space Flight Center/NASA 20771 Greenbelt Maryland United States of America 2002-02-19 UMd-ADC staff UMd Astronomical Data Center Department of Astronomy, University of Maryland 20742 College Park Maryland United States of America thomas@astro.umd.edu http://archive.astro.umd.edu/archive 2005-09-30T05:03:52-04:00 High precision positions and proper motions of 441 stars in the Pleiades astrometric standard region ), Jones (1973A&AS....9..313J) and Hertzsprung (1947AnLei..19a...1H), 33 exposures on 11 plates taken with the Zo-Se 40cm refractor (f=6895mm) in 86 years are reduced with the central overlapping technique, and high-precision positions and proper motions of 441 stars in the Pleiades astrometric standard region are obtained. The standard errors of star positions are less than +/-0.05arcsec, and the standard errors of proper motions for 90% stars in our reduction are less than +/-0.001arcsec/yr.]]> J Wang L Chen J Zhao P Jiang Acta Astron. Sinica 37 68 1996-??-?? 1996AcASn..37...68W Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970) Eichhorn I/90: Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970)1090 US Naval Observatory Pleiades Catalog (Van Flandern 1969) Van I/163: US Naval Observatory Pleiades Catalog (Van Flandern 1969)1163 1258_catalog 1 479 70 3031 03 43 13.9909 03 51 27.2189 RAhms LST yr 2000.0 3 false 5 88 ms -0.003985 0.006859 pmRA s yr 9 190 ns yr 1913.00 1983.44 yr +23 17 06.837 +24 53 18.723 DEdms 7 122 mas -0.05962 0.02919 pmDE arcsec yr 15 215 mas yr 1912.85 1983.59 yr