Astronomy Reports -- January 2003 Volume 47, Issue 1, pp. 1-79 Optical Variability of the Blazar 2007 + 777 V. S. Bychkova, N. S. Kardashev, V. V. Vlasyuk, and O. I. Spiridonova pp. 1-5 Full Text: PDF (177 kB) Proper Motions of Open Star Clusters and the Rotation Rate of the Galaxy A. V. Loktin and G. V. Beshenov pp. 6-10 Full Text: PDF (166 kB) Comparison Between Two- and Three-dimensional Modeling of the Structure of an Accretion Disk in a Binary System M. V. Abakumov, S. I. Mukhin, Yu. P. Popov, and V. M. Chechetkin pp. 11-19 Full Text: PDF (442 kB) The Evolution of GRS 1915+105—an X-ray Binary with a Black Hole A. V. Tutukov, A. V. Fedorova, and A. M. Cherepashchuk pp. 20-30 Full Text: PDF (246 kB) The Nonthermal Radio Emission of WR 140 in a Model with Colliding Two-Phase Winds O. V. Abramova, P. V. Averin, and K. V. Bychkov pp. 31-37 Full Text: PDF (172 kB) Evolution of Wolf–Rayet Stars in Binary Systems: An Analysis of the Mass and Orbital-Eccentricity Distributions A. M. Cherepashchuk and V. G. Karetnikov pp. 38-58 Full Text: PDF (402 kB) Model Atmospheres of Red Giants Ya. V. Pavlenko pp. 59-67 Full Text: PDF (286 kB) Radial Pulsations of Helium Stars and a Model for BX CIR Yu. A. Fadeev and M. F. Novikova pp. 68-74 Full Text: PDF (254 kB) Observations of Cyanoacetylene Sources A. V. Alakoz, S. V. Kalenskii, M. A. Voronkov, and V. I. Slysh pp. 75-79 Full Text: PDF (139 kB)