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Photometry of W UMa
The physical properties of W UMa binary systems are revisited on the basis of the observational data published in the last decade and of the recent theoretical studies on... -
Eclipsing binary HU Tauri
The photometric elements of HU Tauri are derived from an analysis of its blue and visual light curves using the Wilson and Devinney (1971, ApJ 166, 605) light curve synthesis... -
ER Vulpeculae
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DK Cygni light curve
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Period changes in RT Lac
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RZ Dra
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Vilnius Photometry of HD211853
New photometric observations of the Wolf-Rayet binary HD 211853 are presented. They were obtained with the 1-m reflector of the Institute of Theretical Physics and Astrophysics... -
Long-term variations in V471 Tau
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Transits observed in OGLE 2001-2003
We present results of an extensive photometric search for planetary and low-luminosity object transits in the Galactic disk stars commencing the third phase of the Optical... -
BV photometry of V532 Mon
The first two sets of complete charge-coupled device light curves in the B and V bands of the short-period binary system, V532 Mon, are presented. The light curves are analyzed... -
BVRI light curves of Westerlund 1 stars
This paper presents the first optical variability study of the Westerlund 1 super star cluster in search of massive eclipsing binary systems. A total of 129 new variable stars... -
Velocity and H{alpha} width of 22 Vul
The 22 Vul system is important for studying the winds and chromospheres of cool evolved stars because the G4 I component is rotating rapidly and probably faster than... -
Light-curve and radial velocities of BD+42 2782
BD+42 2782 was recently discovered to be a variable star with a W UMa-type, eclipsing-binary light curve. We have obtained the first photoelectric light curves (R_C_, I_C_) and... -
Ji photometry of WTS 19g-4-02069
Star formation theory predicts that short-period M-dwarf binaries with highly unequal-mass components are rare. First, the mass ratio of close binary systems is driven to unity... -
Rotation periods and catalogue information
We analysed space photometry from the TESS mission for a sample of 1002 mCP stars discovered in LAMOST archival spectra. Of the 782 mCP stars with available TESS data, rotation... -
10 very-low-mass stars photometry
Measurements of the physical properties of stars at the lower end of the main sequence are scarce. In this context we report masses, radii and surface gravities of ten... -
Variability survey of brightest stars
The stellar evolution theory of massive stars remains uncalibrated with high-precision photometric observational data mainly due to small number of luminous stars monitored from... -
Corot photometry of TYC 455-791-1
We report the discovery and analysis of very narrow transits in the eccentric spectroscopic binary TYC 455-791-1=HSS 348 (IC 4756). We obtained high-precision CoRoT photometry...
