1. UGC 1198: A Galaxy with an Inner Polar Disk/Ring

   • G. M. Karataeva
   • O. A. Merkulova
   • A. N. Burenkov

   OriginalPaper 14 June 2019 Pages: 187 - 196

2. The Relative Wavelength Independence of IR Time Lags in NGC 4151 during the Years 2010–2015

   • V. L. Oknyansky
   • V. I. Shenavrin
   • C. M. Gaskell

   OriginalPaper 14 June 2019 Pages: 197 - 207

3. Kinematic Properties of Open Star Clusters with Data from the Gaia DR2 Catalogue

   • V. V. Bobylev
   • A. T. Bajkova

   OriginalPaper 14 June 2019 Pages: 208 - 216

4. Spectrum of the Yellow Symbiotic Star LT Delphini before, during, and after the 2017 Outburst

   • N. P. Ikonnikova
   • M. A. Burlak
   • V. F. Esipov

   OriginalPaper 14 June 2019 Pages: 217 - 226

5. Search for Evolutionary Changes in the Periods of Cepheids: V1033 Cyg, a Classical Cepheid at the First Crossing of the Instability Strip

   • L. N. Berdnikov
   • E. N. Pastukhova
   • L. E. Keir

   OriginalPaper 14 June 2019 Pages: 227 - 236

6. An Analytical Model for the Propagation of Thermal Runaway Electrons in Solar Flares

   • P. A. Gritsyk
   • B. V. Somov

   OriginalPaper 14 June 2019 Pages: 237 - 247

7. The Energy Distribution of Nanoflares at the Minimum and Rising Phase of Solar Cycle 24

   • A. S. Ulyanov
   • S. A. Bogachev
   • I. P. Loboda

   OriginalPaper 14 June 2019 Pages: 248 - 257