Abstract
A catalog of positions and proper motions of stars in the fields around open clusters was compiled at the Research Institute—Nikolaev Astronomical Observatory (NAO) with the use of the results of photographic observations conducted in the 20th century (at the NAO zonal astrograph with D = 11.6 cm and F = 2.04 m) and modern CCD observations performed with the Mobitel NAO telescope (D = 50 cm and F = 3 m) with a Alta U9000 3056 × 3056 CCD camera. The difference in epochs is approximately 30 years. The initial processing of photographic images was carried out with the use of the MIDAS/ROMAFOT software package, and the CCD data were processed using the Astrometrica software. The data reduction and integration was performed with the use of proprietary software. A photographic catalog of approximately 900000 stars (8–16m, J1981.6) and a CCD catalog of 780000 stars (9–17m, J2012.2) were obtained, and the integrated catalog of positions, proper motions, and stellar magnitudes of approximately 700000 stars up to 17m was then compiled. The errors in catalog positions along both coordinates varied from 20 mas (for 8–13m stars) to 40 mas (for 14–17m stars). The standard deviation of proper motions was approximately 5 mas/year along both coordinates. The stellar magnitudes were estimated. The estimated standard deviation of stellar magnitudes in the Tycho-2 system was 0.04m. The catalogs may be accessed from the NAO site.
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Original Russian Text © Yu.I. Protsyuk, M.V. Martynov, A.E. Mazhaev, O.E. Kovylianska, S.V. Protsyuk, V.N. Andruk, 2014, published in Kinematika i Fizika Nebesnykh Tel, 2014, Vol. 30, No. 6, pp. 54–65.
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Protsyuk, Y.I., Martynov, M.V., Mazhaev, A.E. et al. Compiling catalogs of stellar coordinates and proper motions via coprocessing of archival photographic and modern CCD observations. Kinemat. Phys. Celest. Bodies 30, 296–303 (2014). https://doi.org/10.3103/S0884591314060051
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DOI: https://doi.org/10.3103/S0884591314060051