Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996acasn..37...68w&link_type=abstract
Acta Astron. Sin., Vol. 37, No. 1, p. 68 - 84
Astronomy and Astrophysics
Astronomy
8
Star Positions: Pleiades, Proper Motions: Stars, Astrometry: Pleiades, Astrometry: Star Catalogues
Scientific paper
Based on a preliminary reference catalogue, constructed by a combination of the catalogues PPM and ACRS, and those in Eichhorn et al. (1970), Jones (1973), and Hertzsprung (1947), 33 exposures on 11 plates taken with the Zô-sè 40 cm refractor (f = 6895 mm) in 86 years are reduced by the central overlapping technique, and high-precision positions and proper motions of 441 stars in the Pleiades astrometric standard region are obtained. The results are listed in a table. The standard errors of positions for the stars in this table are less than ±0″05 and the standard errors of proper motions for 90 per cent of those stars less than ±0″001/yr. A comparison for stars in common with the catalogues PPM and ACRS is shown and the authors found that the external errors are close to the internal standard errors.
Jiang Peifang
Li Chen
Wang Jiaji
Zhao Jianhong
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