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Comparison of the XPM and UCAC4 catalogs |
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| Authors: | Vityazev V. V. Tsvetkov A. S. |
| Affiliation: | 1.St. Petersburg State University, Bibliotechnaya pl. 2, St. Petersburg, 198504, Russia ; |
| Abstract: | Astronomy Letters - The systematic differences between the stellar positions and proper motions of the XPM and UCAC4 catalogs have been obtained in the form of decompositions into vector spherical... |
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