Astronomy Letters -- October 2005 Volume 31, Issue 10, pp. 645-712 Nature of the Optical and Ultraviolet Variability of the Nucleus of NGC 4151: A New Concept V. M. Lyuty pp. 645-662 Full Text: PDF (449 kB) Kinematic Parameters of the Galactic Spiral Pattern from Data on Open Star Clusters and OB Stars M. É. Popova and A. V. Loktin pp. 663-667 Full Text: PDF (174 kB) Breakup of Moving Clusters in the Galactic Disk A. A. Mülläri, V. V. Orlov, and A. V. Petrova pp. 668-671 Full Text: PDF (102 kB) Outburst of the X-ray Transient SAX J1818.6–1703 Detected by the INTEGRAL Observatory in September 2003 S. A. Grebenev and R. A. Sunyaev pp. 672-680 Full Text: PDF (237 kB) Observations of the X-ray Burster MX 0836–42 by the INTEGRAL and RXTE Orbiting Observatories I. V. Chelovekov, A. A. Lutovinov, S. A. Grebenev, and R. A. Sunyaev pp. 681-694 Full Text: PDF (308 kB) Similarity Theory of Stellar Models and the Structure of Very Massive Stars D. K. Nadyozhin and T. L. Razinkova pp. 695-705 Full Text: PDF (229 kB) On the Determination of Meridional Flow on the Sun by the Method of Tracers S. V. Olemskoy and L. L. Kitchatinov pp. 706-712 Full Text: PDF (436 kB)