1. Dark halos of wide triple systems of galaxies

   • V. P. Dolgachev
   • L. M. Domozhilova
   • A. D. Chernin

   OriginalPaper Pages: 259 - 266

2. Spatial structure of the old open cluster NGC 2420

   • Z. I. Peikov
   • R. M. Rusev
   • T. Ruseva

   OriginalPaper Pages: 267 - 274

3. A photometric and spectroscopic study of the B[e]/X-ray transient CI Cam

   • E. A. Barsukova
   • N. V. Borisov
   • N. V. Metlova

   OriginalPaper Pages: 275 - 292

4. A study of class II methanol maser condensations in the star-forming region W48

   • I. V. Val’tts
   • S. Yu. Lyubchenko

   OriginalPaper Pages: 293 - 308

5. Polarization of individual pulses of radio pulsars at the low frequencies 40, 60, and 103 MHz

   • S. A. Suleimanova
   • V. D. Pugachev

   OriginalPaper Pages: 309 - 326

6. Origin of prolonged X-ray flares on active late-type stars

   • I. M. Livshits
   • M. A. Livshits

   OriginalPaper Pages: 327 - 338

7. Three types of flows in the structure of the solar wind

   • N. A. Lotova
   • V. N. Obridko
   • K. V. Vladimirskii

   OriginalPaper Pages: 339 - 345