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CONTENTS :
INTRODUCTION INSTRUMENTATION FOR MAGNETIC FIELD MEASUREMENTS

Instrumentation for measurement of stellar magnetic fields with the 6-m telescope: Yu. V. Glagolevskij, V. D. Bychkov, V. G. El'kin, E. B. Gazhur, A. F. Nazarenko, I. D. Naidenov, I. I. Romanyuk, G. A. Chuntonov, V. G. Shtol' First measurements of 4 Stokes parameters with the 6-m telescope: Yu. V. Glagolevskij, V. G. El'kin, I. I. Romanyuk, V. G. Shtol .......................................

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22

The catalogue of hydrogen line profiles of Balmer series : V. D. Bychkov, T. V.Doroshenko, S. A. Chekh .. 26 The estimation of 53 Cam magnetic field value by means of spectral line width analysis: Yu. V. Glagolevskij, V. G. El'kin, I. I. Romanyuk, N. E. Piskunov ..................32 The bank of observational data for chemically peculiar stars: V. S. Lebedev

.36

RESULTS ON MAGNETIC FIELD MEASUREMENTS

A surface magnetic field study of Ap star 78 Virginis: T. A. Ryabchikova, E. S. Davydova, D. Z. Kolev Modern state of magnetic field investigation in M. Yu. Skulskij Lyrae:

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An investigation of magnetic field strength variation in RR Lyrae: Yu. S. Romanov, S. N. Udovichenko, M. S. Frolov ... 51 The in measurements of the magnetic field of 4234.33 A Cr I line: S. I. Plachinda . . . the star CrB 54 67

A simple model of CQ UMa: Z. Mikulasek

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Magnetic fields of superqiants: E. Gerth .................... 78

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Magnetic field measurements of the lambda Bootis type stars: HD 210418: I. Kh. Iliev, I. S. Barzova, Yu. V. Glagolevskij, V. D. Bychkov, V. G. El'kin, I. I. Romanyuk, V. G. Shtol .....87 52 Her - magnetic variations due to precession? : H. Lehmann.. 89 The magnetic field of Epsilon UMa: S. Hubrig: ........ 95

SPECTRA AND CHEMICAL COMPOSITION OF MAGNETIC STARS

The awful CP star HD 51418: I. Kh. Iliev, I. S. Barzova .....98 Spectrue variations of the CP 2 star HD 5797 = V 551 Cas: I. S. Barzova, I. Kh. Iliev.

..107

Andromedae: Search for rapid variability in spectrue of J. Zverko, J. Ziznovsky, N. Zboril, L. Hric, N.S. Polosukhina, V. P. Malanushenko, V. D. Bychkov, I. Iliev, I. Barzova .......110 Chemically peculiar binary Omega Ursa Majoris with elliptical orbit: L. Hric................................................. 111 The new helium-weak star HR 446: L. Hric 112

Spectrophotometric investigations of magnetic variable star AF Dra: Z. N. Fenina, N. S. Zgonyajko...........................118 Sgr: V. V. Leushin, Cheeical composition of G. P. Topil'skaya...............................................120 Analysis of the spectrue of Hg-Mn star HR 4072: V. M. Dobrichev, D. V. Rajkova, V. G. Klochkova, V. E. Panchuk.................................................. 122 Abundance analysis of Hg-Mn star Herculis: T . A . Ryabchikova, N . E . Piskunov

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An impossible reason of origin of chemical anomalies in CP stars: V. V. Leushin, G. P. Topil'skaya .. Quantitative spectral peculiarity indexes of CP stars: I. M. Kopylov

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159

Iron and Titanium abundance in the atmosphere of chemically peculiar stars: I. M. Kopylov................................ 160 The abundances of carbon, nitrogen, and oxygen in the atmospheres of metallic-line stars: I. S. Savanov 161 6


On the character of variability of radial velocities of Ori E: V. L. Khokhlova, helium lines in the spectrum of D . A . Ptitsyn, A . G . Totochava, E . Zelvanova . . . . . . . . 16 7 Remarks on spectroscopic and speckle interferometric system parameters of the binary 53 Camelopardalis: G. Scholz . . . . PHOTOMETRY. VARIABILITY. The narrow-band photometry of the magnetic Ap star Equ: V . I . Burnashev,V. P . Malanushenko, N . S . Poiosukhina . . . . 17 3 The investigation of the atmosphere of the mercury-manganese star And: L. S. Lyubiekov, N. S. Poiosukhina . . . . . . . . 183 Phase variations of the beta index in Ap stars: B. Musielok, J. Madej..........................................184 Light time effect in AR Aur: J. Ziznovsky, J. Zverko, K. Jusa, D. Chochol, P. Mayer..................................189 On the peculiar light curve of HD 56022: A. Hempelmann. .. 191

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The light variability of the magnetic Ap star 52 Herculis (HD 152107): N. Schoneich, E. I. Zelvanova, B. Musielok.... 193 Detection of non-radial pulsations of stars with an inhomogeneous surface distribution of cheeical elements: D. E. Mkrtichian 195 Equ radial velocity variations using the selected A study of elements: V. D. Bychkov 197

THEORY. MAGNETIC FIELDS IN THE UNIVERSE. ORIGIN AND EVOLUTION OF MAGNETIC FIELDS. On the concentration of magnetic monopoles in the Universe: M. Yu. Khlopov................................................ 201 Problems of magnetic field origin and evolution in chemically peculiar stars: Yu. V. Glagolevskij 206 Possible nonequilibrium structures on magnetic stars: A. Z. Dolginov.................................................220 Fossil eagnetic field of cheeically peculiar stars: A. E. Dudorov...................................................226 A scenario for dynamo generated magnetic fields: F. Krause, R. Meinel ...........................................236 7


CP stars interaction with interstellar gas: S. N. Fabrika, V. D. Bychkov..................................241 Helical HBD dynamo model experiment: A. Gailitis............255 On the magnetic field origin of Ap stars: A. E. Dudorov, A. V. Tutukov..................................259 Influence of the chemical composition on the convection, meridional circulation and differential stellar rotation: A. Z. Dolginov, A. V. Klyachkin..............................264 Diffusion and correlation of magnetic field in a turbulent medium: N. A. Silant'ev ......................................281 Correlations of scalar field in the stochastic medium: A. Z. Dolginov, N. A. Silant'ev...............................297 The influence of the surface curvature on the convection threshold in stars: A. V. Klyachkin....................311 On the cyclicity and amplitude of the activity of rotating stars: N. I. Kleeorin, A. A. Ruzmaikin........................321