Comparison of the absolute proper motions of stars with AGK3 data

Details Comparison of the absolute proper motions of stars with AGK3 data Comparison of the absolute proper motions of stars with AGK3 data

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990kfnt....6...83r&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 6, July-Aug. 1990, p. 83-88. In Russian.

Astronomy and Astrophysics

Astronomy

Astronomical Catalogs, Stellar Motions, Precession, Stellar Magnitude, Stellar Parallax

Scientific paper

Proper-motion differences between the Lick catalog and AGK3, as well as
between the Special Catalog (see Rybka, 1987) and AGK3, were analyzed
for systematic errors. A comparison between AGK3 and the Special Catalog
yielded the following precession corrections: Delta k = -0.0046 + or -
0.0010 arcsec per year, Delta n = 0.0045 + or - 0.0010 arcsec per year.

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