CONTENTS
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Section 1: "Interacting binary stars"
Magnetic cataclysmic variables: 25 years of exciting perfomance . . . . . . . . . . . . . . . . . . . . . . . . 7
Andronov I.L., Kolesnikov S.V., Niarchos P.G.,
Shakhovskoy N.M., Zola S.
BH Lyn: UBVRI and CCD photometry of the eclipsing cataclysmic variable . . . . . . . . . . . . . 15
Andronov I.L., Yushchenko A.V., Niarchos P.G.,
Gazeas K.
Early superhumps in the "King of the superoutbursts" system WZ Sge . . . . . . . . . . . . . .. . . . . 17
Photometrical study of SU UMa-type binary RZ LMi during
the superoutburst in 2001 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
MR Ser: Photometric portrait of unusual polar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Baklanov A.V., Pavlenko E.P., Dudka O.I.
CCD-photometry of cataclysmic variable ES Dra in 2001 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Bondarenko I.I., Perevozkina E.L.
Determination of age of low-mass close binary stars of the early spectral classes . . . . . . . . . . . 25
Multi-frequency study of symbiotic novae . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 26
Kalimeris T., Rovithis-Livaniou H.
Observed properties of contact binary systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
On the estimation of the lifetime of the accretion disk in the semidetached binaries . . . . . . . .. 38
2D Modeling of the Gas Flow Structure in the Symbiotic Star Z Andromedae . . . . . . . . . . . . . 41
Kotnik-Karuza D., Friedjung M.
RR Tel: Mass loss rate of the cool component . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 44
Miroshnichenko A.S., Bjorkman K.S., Krugov V.D.,
Usenko I.A.
Properties of classical Be stars from analysis of high-resolution Hα profiles . . . . . . . . . . . . .. . 47
Nazarenko V.V., Glazunova L.V., Karetnikov V.G.
2D and 3D mass transfer simulation in Lyrae system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Eclipsing binary stars: light curve models and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Parimucha S., Chochol D., Pribulla T.
Symbiotic nova V1016 Cyg as interacting binary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
DV Aquarii Revisited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Pribulla T., Chochol D., Parimucha S., Rovithis P., Rovithis-Livaniou E., Tremko J.
Photoelectric monitoring of active close binaries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Pribulla T., Tremko J., Rovithis-Livaniou H., Rovithis P.
An active triple system 44i Bootis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Why NS and BH mass distribution is bimodal? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
On the observed physical properties and evolutionary trends of hot subdwarfs
in binary systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Pustylnik I., Pustynski V.F., Kubat J.
Reprocessing of Lc in irradiated atmospheres of unevolved companions in
precataclysmic binaries (PCB) as a sensitive tool of measuring the
temperatures of hot subdwarf primaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 87
The (O-C) diagrams of eclipsing binaries: traditional and new ways of treatment . . . . . . . . .. . 91
CCD observations of the polar AM Her . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
The AM CVn systems - the final stage of binary white dwarf evolution . . . . . . . . . . . . . . . . . . 98
Photometric monitoring of short-period contact binaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Section 2:
"Pulsations: from seconds to years"
Rapid oscillations in the spectrum of roAp stars Psc and Equ . . . . . . . . . . . . . . . . . . . . . . . . 110
Determination of characteristic time scales in semi-regular stars: Comparison
of diferent methods . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Beletsky Yu.V., Halevin A.V., Kudashkina L.S.
The photometric study of two faint Mira-type stars UX Cyg and AP Cyg . . . . . .. . . . . . . . . . 116
On the periods of the β Cephei stars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Frequency analysis of photographic observations of pulsating stars . . . . . . . . . . . . . . . . . . . . 122
BD +20 ° 1171 - long-periodic variable star. . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
BM Eri - SR-type variable star. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Spectroscopic non-adiabatic diagrams for multi-modal pulsating stars . . . . . . . . . . . . . . . . . 126
Dorokhova T.N., Dorokhov N.I., Solheim J.E.,
Gonzalez Perez J.M.
About the 21-st run of WET: PG1336-018 . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Photopolarimetry of some Mira-type stars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Search for variability of the companion of the classical Cepheid EV Sct. . . . . . . . . . . . . . . . . 140
Thermal waves and unstable convection in ZZ Ceti stars. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Cepheids as distance indicators: some current problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Cepheid pulsations from radial velocity measurements . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 149
Numerical criteria of the variability of the individual pulsating cycles in the LPVs . . . . . . . . 154
False alarm probability in the multi-periodicity search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Pena J.H., Peniche R., Garcia Cole A., Plascencia J.C.,
Parrao L., Pena R.
Stromgren photometry and search for short period variables
in the open clusters NGC 6910 and NGC 6913 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Pikhun A.L, Kudashkina L.S., Brukhanov I.S.
The investigation of semi-regular variable UV Boo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Rosenbush A., Reszelski M., Myullaert E.
FG Sge: the R Coronae Borealis - type activity and pulsations. . . . . . . . . . . . . . . . . . . . . . . . . 164
A new mapping of the Cepheid instability strip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
The stability of Cepheid pulsations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Three Cepheids in galactic open clusters: chemical composition and evolution . . . . . . . . . . . 174
Frequency analysis of radial velocities variations of XZ Cyg. . . . . . . . . . . . . . . .. . . . . . . . . . 178
Asymptotic giant branch variables . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Section 3: "Eruptive stars"
Rotation periods and activity of red dwarfs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
On the spectral and photometric activity in young stars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Ultra fast evolution of Sakurai's object (V 4334 Sgr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Magnetospheric accretion in T Tauri stars: observational test . . . . . . . . . . . . . . . . . . . . . . . . . 194
Section 4: "Variable radio sources"
Galanin V.V., Derevyagin Ya.V., Derevyagin V.G.
A study of ionospheric refraction of radio waves from observations
of cosmic radio sources using the radio telescope URAN-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Litvinenko O.A., Panishko S.K.
Variable radio sources and taking into account of ionospheric effects . . . . . . . . . . . . . . . . . . 200
Section 5:
"Microlensing variability, exoplanets, exostars"
Radiation from vicinity of supermassive object without events horizon . . . . . . . . . . . . . . . . . 202
Evsukov N.N., Zakhozhaj V.A., Psaryov V.A.
Planetary systems of the Galaxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Periodicity of luminosity of quasars and galaxies at cosmological scale . . . . . . . . . . . . . . . . . 208
Yushchenko A.V., Niarchos P.G., Terpan S., Manimanis
V.
Gravitational lensing by globular clusters. In of microlensing . . . . . . . . . . . . . . . . . . . . . . . . . 211
Section 6:
"Stellar magnetism"
Monin D.N., Fabrika S.N., Valyavin G.G.
A statistical approach to the investigation of magnetic properties of
main sequence stars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Plachinda S.L., Johns-Krull C.M., Tarasova T.N.
Direct measurements of the general magnetic field on solar-like stars . . . . . . . . . . . . . . . . . . . 219
Magnetic fields of isolated neutron stars: Evidence for decay . . . . . . . . . . . . . . . . . . . . . . . . . 224
The system of secondary periodicities and resonances based on Lyrae magnetic field. . . . . . .227
Section 7: "Stellar Atmospheres"
Belik S.L, Komarov N.S., Dragunova A.V.
Determination of the fundamental characteristics of cold stars. . . . . . . . . . . . . . . . . . . . . . . . . 231
Gorbaneva T.I., Kantzen L.E., Komarov N.S.
The abundances of nuclides of Magnesium in atmospheres
of the Arcturus and the Aldebaran . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Gopka V.R, Mishenina T.V., Kovtyukh V.V., Yushchenko A.V.
About heavy element abundances in the atmospheres of stars with low metallicity . . . . . . . . 237
Komarov N.S., Dorokhov N.I., Dorokhova T.N.
Search for TiO-band variability of cool giant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Komarov N.S., Zgonjajko N.S., Vasilyeva S.V.
Abundances of Na, Ca, Mg and Al in the atmospheres of K supergiants
of the Small Magellanic Cloud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Lyubchik Yu.P., Martin E., Basri G., Pavlenko Ya.V.
Chemical abundances in binaries with twin components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Mishenina T.V., Gorbaneva T.I., Kantsen L.E.
Preliminary abundance analysis of 9 subdwarfs . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Shavrina A.V., Khalack V., Polosukhina N.S., Zverko
J.,
Zhiznovskiy J., Gopka V.F., North P., Tsymbal V.V., Yushchenko A.V.
Lithium blend tting for roAp star HD 101065 (Przybylski's star) . . . . . . . . . . . . . . . . . . . . . . . 249
Li I Line λ 460.3 nm in spectra of super lithium-rich carbon stars . . . . . . . . . . . . . . . . . . . . 253
Section 8:
"Software, Instrumentation and Large Databases"
"Observations Obscurer - time series viewer, editor and processor . . . . . . . . . . . . . . . . . . . . . 255
Elaboration of the batch of the programs for celestial mechanics
for the computation of the astronomical ephemeris. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
On the errors in the practice of observations and their reductions. . . . . . . . . . . . . . . . . . . . . . 265
Samus N.N., Kazarovets E.V., Durlevich O.V.
General Catalogue of Variable Stars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
The system for quick monitoring of astronomical plate archives.
Main principles and purposes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Shakhrukhanov O.Sh., Yushchenko A.V., Techuk O.
CCD detector in TV standard with small exposure time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Tatarnikov A.M., Shenavrin V.I., Whitelock P.A.,
Feast M.W., Yudin B.F.
Infrared Photometry of Sakurai's Object (V4334 Sgr) in 1996-2000 . . . . . . . . . . . . . . . . . . . 275
Tatarnikova A.A., Kolotilov E.A., Munari U., Yudin
B.F.
Photometric and spectrophotometric observations
of the classical symbiotic star YY Her . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . 277