Relation between X-ray and Sunyaev—Zeldovich Galaxy Cluster Mass Measurements A. R. LyapinR. A. Burenin OriginalPaper 30 September 2019 Pages: 403 - 410
Optical Identification of New Candidates for Quasars at 3 <z < 5.5 from the XMM-Newton X-ray Survey G. A. KhorunzhevR. A. BureninS. N. Dodonov OriginalPaper 30 September 2019 Pages: 411 - 426
The Emission Source of Supernova ASASSN-15nx with a Prolonged Linear Light Curve N. N. Chugai OriginalPaper 30 September 2019 Pages: 427 - 434
Search for Evolutionary Changes in the Periods of Cepheid: DX Gem L. N. Berdnikov OriginalPaper 30 September 2019 Pages: 435 - 444
Search for Evolutionary Changes in the Periods of Cepheids: BG Cru L. N. BerdnikovA. Yu. KniazevI. A. Usenko OriginalPaper 30 September 2019 Pages: 445 - 452
The Circumstellar Envelope of the Semiregular Variable Star V CVn B. S. SafonovA. V. DodinA. S. Rastorguev OriginalPaper 30 September 2019 Pages: 453 - 461
Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogue A. S. TsvetkovF. A. Amosov OriginalPaper 30 September 2019 Pages: 462 - 473