Work on Astrometry from 1993 -1996 at Shanghai Astronomical Observatory

Details Work on Astrometry from 1993 -1996 at Shanghai Astronomical Observatory Work on Astrometry from 1993 -1996 at Shanghai Astronomical Observatory

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402..185z&link_type=abstract

Proceedings of the ESA Symposium `Hipparcos - Venice '97', 13-16 May, Venice, Italy, ESA SP-402 (July 1997), p. 185-186

Astronomy and Astrophysics

Astronomy

Scientific paper

In the last three years, a number of new results on astrometry were obtained at Shanghai Astronomical Observatory. The studies of Praesepe and Pleiades gave high-precision positions and proper motions of numerous stars brighter than B=16 mag in these regions, which should be excellent extensions of the Hipparcos system after they are linked with it. Relative proper motions and membership probabilities of the open clusters M67, M11, NGC2286, and Orion were determined. A program of absolute proper motions and space motions for some globular clusters and Galactic field RR Lyrae stars has started. This program will be based on the Hipparcos system after the Hipparcos Catalogue is available for us. Optical observations of several radio sources were performed with photographic plates and CCD.

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