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On the effect of magnetic field on the low-l solar p-mode oscillations. (Cavus, H.)
Bibliographical information (record 268847)
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On the effect of magnetic field on the low-l solar p-mode oscillations.
Author:
 Cavus, H. Search Author in Amazon Books

Publisher:
Elsevier,
Edition:
 2010.
Classification:
 QB43.2
URL:
http://library.neu.edu.tr:2048/login?url=http://dx.doi.org/10.1016/j.newast.2010.02.002
Detailed notes
    - One of the possible magnetic field effects on the stellar pulsations is known to be a splitting in the observed frequencies. Using this knowledge in the solar convection zone, there are two aims in this work Considering the Sun as an incompressible fluid, our first objective was to investigate the variation of the physical parameters in the 30% outermost convective solar layer, during a pulsation period. The second purpose was to calculate, by means of the spherical harmonics, the shifts on the low-l p-mode frequencies which could be caused by the presence of the magnetic field in the Sun. The first order perturbation approximation was used in order to calculate analytically the resulting frequency shifts and the small perturbations on the magnetic field, as well as the physical parameters, such as density, pressure and temperature, of a Standard Solar Model excluding both rotation and magnetic field (Christensen-Dalsgaard et al., 1996) in the unperturbed equilibrium case. (C) 2010 Published by Elsevier B.V.
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Status
Library
Section
EOL-1675
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NEU Grand LibraryOnline (QB43.2 .O5 2010)
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