1. 3D Doppler Tomography of the X-Ray Binary System Cygnus X-1 from Spectral Observations in 2007 in the HeII λ 4686 Å Line

   • M. I. Agafonov
   • E. A. Karitskaya
   • M. Yu. Sidorov

   OriginalPaper 09 March 2018 Pages: 89 - 102

2. Variations of the Blazar AO 0235+164 in 2006–2015

   • V. A. Hagen-Thorn
   • V. M. Larionov
   • V. A. Yakovleva

   OriginalPaper 09 March 2018 Pages: 103 - 115

3. Geometrical and Kinematic Parameters of the Jet of the Blazar S5 0716+71 in a Helical-Jet Model

   • M. S. Butuzova

   OriginalPaper 09 March 2018 Pages: 116 - 122

4. Distance to the Pulsar B1642–03 and the Influence of the H II Region S27 on Its Dispersion Measure and Scattering Parameters

   • A. V. Pynzar’

   OriginalPaper 09 March 2018 Pages: 123 - 129

5. Evolution and Spectrum of the Radio Emission of Tycho’s Supernova Remnant

   • E. N. Vinyaikin

   OriginalPaper 09 March 2018 Pages: 130 - 137

6. Spectropolarimetric Observations of Magnetic White Dwarfs with the SAO 6-m Telescope

   • V. L. Afanas’ev
   • M. Yu. Piotrovich
   • T. M. Natsvlishvili

   OriginalPaper 09 March 2018 Pages: 138 - 143

7. Bifurcation near Boundaries of Regions of Stability of Libration Points in the Three-Body Problem

   • M. G. Yumagulov
   • O. N. Belikova
   • N. R. Isanbaeva

   OriginalPaper 09 March 2018 Pages: 144 - 153