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Determination of highly precise proper motions for 32 Hipparcos stars from photographic plates.

Wang, S.; Wang, J.; Jin, W. +1 more

The authors have reduced 70 exposures on 32 photographic plates taken in four areas of the sky around the radio source 0316+413, the galaxy NGC 7302, the Pleiades astrometric standard region, and so on with the 40-cm astrographic refractor at SheShan (Zô-Sé) Station of the Shanghai Observatory. Using the PPM catalogue as the initial reference cata…