Optical spectroscopy of candidates for quasars at 3 < z < 5.5 from the XMM-newton X-ray survey. A distant X-ray quasar at z = 5.08 G. A. KhorunzhevR. A. BureninM. V. Eselevich OriginalPaper 11 March 2017 Pages: 135 - 145
Spatial environment of polar-ring galaxies from the SDSS S. S. SavchenkoV. P. Reshetnikov OriginalPaper 11 March 2017 Pages: 146 - 151
Kinematics of the galaxy from Cepheids with proper motions from the Gaia DR1 catalogue V. V. Bobylev OriginalPaper 11 March 2017 Pages: 152 - 158
Kinematics of the galaxy from OB stars with proper motions from the Gaia DR1 catalogue V. V. BobylevA. T. Bajkova OriginalPaper 11 March 2017 Pages: 159 - 166
The outburst of the X-ray nova GRS 1739-278 in September 2016 I. A. MereminskiyE. V. FilippovaR. A. Sunyaev OriginalPaper 11 March 2017 Pages: 167 - 174
NuSTAR observations of the X-ray pulsar LMC X-4: A constraint on the magnetic field and tomography of the system in the fluorescent iron line A. E. ShtykovskyA. A. LutovinovM. G. Revnivtsev OriginalPaper 11 March 2017 Pages: 175 - 185
Change in the orbital period of a binary system due to dynamical tides for main-sequence stars S. V. Chernov OriginalPaper 11 March 2017 Pages: 186 - 201
Change in the activity character of the coronae of low-mass stars of various spectral types B. A. NizamovM. M. KatsovaM. A. Livshits OriginalPaper 11 March 2017 Pages: 202 - 209