Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.177...73l&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 177, no. 1-2, March 1991, p. 73-77.
Astronomy and Astrophysics
Astrophysics
Astronomical Catalogs, Stellar Motions, Astrography, Photographic Plates, Reference Stars
Scientific paper
In a program conducted to isolate AGK3 stars with large proper motions, it has been found that more than one hundred stars seem to be affected by large errors in their published proper motions. For some of those objects south of +25 deg, new proper motions are being obtained using, as first-epoch positions, the published material of the Astrographic Catalog. Second-epoch positions are derived from new plates taken with the Yale Southern Observatory double astrograph.
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