A comparison of some astrometric catalogues with the use of stars with large proper motions

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Extragalactic Astronomy
1Ivanov, GA, 1Yatsenko, AI
1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
Мова: eng
Анотація: 

&Positional and Theoretical Astronomy BRussian Kastrometric catalogues, stars// Pairwise differences of positions and proper motions of stars from the catalogues HIPPARCOS, ACT, CMC11, FONAC, NPM1, and PPM were used to determine their random and systematic errors. A significant relationship between differences of coordinates and proper motions of stars and their B - V colour indices was found for some pairs of the catalogues.

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