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  • 1
    Electronic Resource
    Electronic Resource
    Orientation of cosmic dust grains (1976)
    Springer
    Astrophysics and space science 43 (1976), S. 291-317 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Orientation of nonspherical cosmic dust grains is found in anisotropic corpuscular or radiative fluxes and in the presence of the magnetic field; cosmic grains being approximated by axially symmetric ellipsoids. A comparatively small twisting of grains is shown to cause differences in scattering right-hand and left-hand circularly polarized photons and growth of the angular momentum. If the period of the grain's angular momentum precession induced by the magnetic field is shorter than the time of orientation by corpuscular or radiative flux, distribution of grains' axes becomes symmetric relative to the magnetic lines. This orientation mechanism easily explains interstellar linear polarization observed in our Galaxy. The mechanisms of grains' orientation near the Becklin-Neugebauer infrared source, in the B 96 reflected cloud near RY Tau and in cometary heads are proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00640010
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  • 2
    Electronic Resource
    Electronic Resource
    Light scattering by anisotropic particles (1976)
    Springer
    Astrophysics and space science 43 (1976), S. 337-354 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Stokes parameters of radiation scattered by anisotropic particles (cosmic dust grains or molecules) are calculated. The effective mechanisms of transformation of the linear polarization into the circular one by free-oriented anisotropic particles are proposed. The optical activity of the irregular-shaped particles is shown to be rather large even though they consist of isotropic inactive material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00640012
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  • 3
    Electronic Resource
    Electronic Resource
    Tidal flows in binary systems (1975)
    Springer
    Astrophysics and space science 36 (1975), S. 31-78 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Аинотация Найдено поле приливных скоростей в не очень тесных двойных системах (двойные звезды, Солнце-планета, планета-спутник). Полученные выражения применены, в частности, к планетам-гигантам Солнечной системы и белым карликам. Величина скорости на поверхности Юпитера составляет около 0.5 см сек−1. Приливные скорости в белых карликах могут достигать десятков метров в секунду и влиять на их эволюцию. Отмечено, что приливные течения обладают симметрией, благоприятной для генерации магнитного поля.
    Notes: Abstract The expressions of the tidal velocity in not very close binaries (double stars, the Sun and a planet, a planet and a satellite) are derived and applied in particular to white dwarfs and the giant planets of the solar system. The magnitude of the velocity on the surface of Jupiter is estimated to be about 0.5 cm s−1. In white dwarfs the velocities of the order of tens m s−1 may be encountered, and they can influence their evolution. The symmetry of the tidal flows is noted to be suitable for the magnetic field generation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00681943
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  • 4
    Electronic Resource
    Electronic Resource
    Nonradial stellar oscillations excited by turbulent convection (1984)
    Springer
    Astrophysics and space science 98 (1984), S. 15-36 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The resonant excitation of the large-scale nonradial oscillations of a star by turbulent convection is considered. In the case of an incompressible inhomogeneous liquid sphere and a spherical shell we have demonstrated the excitation of oscillations and have obtained the explicit analytic expressions for the oscillation amplitudes. The effect of uniform axial rotation of a star upon the oscillations has also been considered. The estimates of the r.m.s. velocities of the excited quadrupole oscillations based on solar parameters do not contradict the observations of the 160 min. solar oscillations. Results are briefly discussed and applications are also made to the case of nonradial oscillations of outer convection zones of white dwarfs, Jupiter and Saturn.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00651949
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  • 5
    Electronic Resource
    Electronic Resource
    Meridional circulation and turbulence in surface layers of the stars (1983)
    Springer
    Astrophysics and space science 95 (1983), S. 1-9 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The meridional circulation is considered in the surface layers of the stars where the optical depth τ≲1. It is shown that the radial component of circulation velocity reaches its maximum value at τ≈1 and decreases at τ→0. The tangential velocity reverses its sign at τ≈1 — i.e., the meridional flows are closed in stellar atmospheres. The tangential velocities can be of the order of 106–107 cm s−1 in atmospheres of O-B-A stars. Such hydrodynamical motions can result in the generation of turbulence in the surface layers. Characteristic turbulent velocities are of the order of 105–106 cm s−1 in early-type stars. The small-scale turbulent motions generate the acoustic waves and the flux of such waves may be the source of energy to heat coronae in O and B stars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00661151
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  • 6
    Electronic Resource
    Electronic Resource
    Tidal fluxes and evolution of binary star systems (1989)
    Springer
    Astrophysics and space science 159 (1989), S. 133-151 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Explicit analytical expressions for the tidal velocities in the stars which are components of the binary system are obtained, taking into account the viscosity of the stellar matter, the star's rotation, the eccentricity of the orbit and tilt of the axis of rotation to the orbital plane. Equations which determine the tidal evolution of the star's axial and orbital motions are obtained and analyzed. Numerical solutions of these equations are analyzed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00640495
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  • 7
    Electronic Resource
    Electronic Resource
    Orientation of interstellar and interplanetary grains (1972)
    Springer
    Astrophysics and space science 18 (1972), S. 337-349 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Аннотация Получены явные выражения для функции распределения ориентаций межзвездных и межпланетных пылинок в анизотропных потоках частиц или света с учётом влияния магнитного поля. Показана возможность ориентации в среде с анизотропной температурой, какой обычно является неравновесная плазма в магнитном поле. Отмечено, что малые неоднородные пылинки должны обладать оптической активностью и рассмотрена ориентация таких пылинок. Оценены времена ориентации. Рассмотрена возможность обьяснения межзвездной поляризации и поляризации излучения комет.
    Notes: Abstract The explicit expressions for the orientation distribution function of interstellar and interplanetary dust grains in the anisotropic corpuscular or radiation fluxes, with consideration for the magnetic field influence, are obtained. An orientation is shown to be possible in a medium having an anisotropic temperature, which is usually the case for a non-equilibrium plasma in a magnetic field. It is noted that the small inhomogeneous dust grains should possess a specific rotation of polarization. The orientation of these dust grains is considered. The time required for the orientation is estimated. A possibility of explaining the interstellar polarization and polarization of the cometary radiation is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00645399
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  • 8
    Electronic Resource
    Electronic Resource
    The thermomagnetic instability in degenerate cores of white dwarfs (1980)
    Springer
    Astrophysics and space science 69 (1980), S. 259-267 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The degenerate cores of sufficiently hot white dwarfs are shown to suffer the thermomagnetic instability which generates magnetic field and excites hydrodynamical motions. The necessary conditions for the instability to occur and the parameters of an unstable zone are determined. It is shown that, in hot white dwarfs, this zone can be very extended. The characteristic time scale of the instability is evaluated and some effects due to this instability are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00661917
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  • 9
    Electronic Resource
    Electronic Resource
    Oscillations of a plasma in a magnetic and a gravitational field (1973)
    Springer
    Astrophysics 9 (1973), S. 54-57 
    Details
    ISSN: 1573-8191
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012626
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  • 10
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    Galactic magnetic field generation by the electric current of cosmic rays (2004)
    EDP Sciences
    Details
    Publication Date: 2004-02-27
    Print ISSN: 0004-6361
    Electronic ISSN: 1432-0746
    Topics: Physics
    Published by EDP Sciences
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