Improvement of proper motions for HIPPARCOS stars with photographic plates

Details Improvement of proper motions for HIPPARCOS stars with photographic plates Improvement of proper motions for HIPPARCOS stars with photographic plates

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997acasn..38..297w&link_type=abstract

Acta Astronomica Sinica, vol. 38, p. 297

Astronomy and Astrophysics

Astronomy

1

Stellar Motions, Hipparcos Satellite, Astronomical Photography, Astronomical Catalogs, China, Astronomical Observatories, Image Processing, Iteration

Scientific paper

In this paper, using the PPM catalog as a preliminary reference catalog, we have reduced 17 exposures on nine plates taken with the 40-cm refractor at the Zo-Se Station of the Shanghai Astronomical Observatory for about 30 years. By means of the central overlapping technique and the iterative process, high-precision positions and proper motions of 28 PPM stars, including six Hipparcos stars in the region of radio source 0316 + 413 are obtained. The mean values of the internal standard errors of proper motions in right ascension and declination for the six Hipparcos stars are +/-0.00069 sec/yr and +/-0.00070 sec/yr, respectively.

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