1. Method for Estimating the Doppler Factors of Relativistic Radio Jets

   • V. S. Artyukh

   OriginalPaper 23 April 2019 Pages: 167 - 173

2. Solar Wind Magnetic Field Turbulence over the Solar Activity Cycle Inferred from Coronal Sounding Experiments with Helios Linear-Polarized Signals

   • A. I. Efimov
   • L. A. Lukanina
   • M. Pätzold

   OriginalPaper 23 April 2019 Pages: 174 - 181

3. A Double Wave in the Orbital-period Variations of the Eclipsing Binary RT Per

   • A. I. Khaliullina

   OriginalPaper 23 April 2019 Pages: 182 - 189

4. Surface Photometry of Proplyds in the Vicinity of θ¹ Ori C

   • G. B. Mamedkhanova
   • N. Z. Ismailov

   OriginalPaper 23 April 2019 Pages: 190 - 202

5. Masses of RR Lyrae Stars with Different Chemical Abundances in the Galactic Field

   • V. A. Marsakov
   • M. L. Gozha
   • V. V. Koval’

   OriginalPaper 23 April 2019 Pages: 203 - 211

6. Radio Sources in the Central Section of the RZF Catalog. Search for Objects with Ultra-Steep Spectra

   • Yu. N. Pariiskii
   • T. A. Semenova
   • N. N. Bursov

   OriginalPaper 23 April 2019 Pages: 212 - 223

7. A Putative Planet Orbiting the Pulsar PSR B0525+21

   • A. E. Rodin

   OriginalPaper 23 April 2019 Pages: 224 - 228

8. Profile of the 9.85-GHz Neutral Hydrogen Line Taking into Account the Zeeman Effect (Computations and Solar Observations)

   • A. F. Dravskikh
   • N. G. Peterova
   • N. A. Topchilo

   OriginalPaper 23 April 2019 Pages: 229 - 237

9. Long-Period Variations in Oscillations of the Earth’s Pole due to Lunar Perturbations

   • V. V. Perepelkin
   • L. V. Rykhlova
   • A. S. Filippova

   OriginalPaper 23 April 2019 Pages: 238 - 247