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• Coronal_seismology abstract "Coronal seismology is a technique of studying the plasma of the Sun's corona with the use of magnetohydrodynamic (MHD) waves and oscillations. Magnetohydrodynamics studies the dynamics of electrically conducting fluids - in this case the fluid is the coronal plasma. Observed properties of the waves (e.g. period, wavelength, amplitude, temporal and spatial signatures (what is the shape of the wave perturbation?), characteristic scenarios of the wave evolution (is the wave damped?), combined with a theoretical modelling of the wave phenomena (dispersion relations, evolutionary equations, etc.), may reflect physical parameters of the corona which are not accessible in situ, such as the coronal magnetic field strength and Alfvén velocity and coronal dissipative coefficients. Originally, the method of MHD coronal seismology was suggested by Y. Uchida in 1970for propagating waves, and B. Roberts et al. in 1984for standing waves, but was not practically applied until the late 90s due to a lack of necessary observational resolution.Philosophically, coronal seismology is similar to the Earth's seismology, helioseismology, and MHD spectroscopy of laboratory plasma devices. In all these approaches, waves of various kind are used to probe a medium. The theoretical foundation of coronal seismology is the dispersion relation of MHD modes of a plasma cylinder: a plasma structure which is nonuniform in the transverse direction and extended along the magnetic field. This model works well for the description of a number of plasma structures observed in the solar corona: e.g. coronal loops, prominence fibrils, plumes, various filaments. Such a structure acts as a waveguide of MHD waves.This discussion is adapted from Valery M. Nakariakov and Erwin Verwichte, "Coronal Waves and Oscillations", Living Rev. Solar Phys. 2, (2005), (cited on November 26, 2009).".
• Coronal_seismology thumbnail Coronal_arcade.png?width=300.
• Coronal_seismology wikiPageExternalLink lrsp-2005-3.
• Coronal_seismology wikiPageExternalLink 3527409947.
• Coronal_seismology wikiPageExternalLink feature.asp?id=15F1&style=feature.
• Coronal_seismology wikiPageExternalLink seismology.
• Coronal_seismology wikiPageID "18176668".
• Coronal_seismology wikiPageLength "11740".
• Coronal_seismology wikiPageOutDegree "50".
• Coronal_seismology wikiPageRevisionID "659887593".
• Coronal_seismology wikiPageWikiLink Acoustics.
• Coronal_seismology wikiPageWikiLink Alfvén_wave.
• Coronal_seismology wikiPageWikiLink Amplitude.
• Coronal_seismology wikiPageWikiLink Category:Plasma_physics.
• Coronal_seismology wikiPageWikiLink Category:Solar_phenomena.
• Coronal_seismology wikiPageWikiLink Category:Space_plasmas.
• Coronal_seismology wikiPageWikiLink Category:Sun.
• Coronal_seismology wikiPageWikiLink Category:Waves_in_plasmas.
• Coronal_seismology wikiPageWikiLink Compressibility.
• Coronal_seismology wikiPageWikiLink Corona.
• Coronal_seismology wikiPageWikiLink Coronal_loop.
• Coronal_seismology wikiPageWikiLink Coronal_loops.
• Coronal_seismology wikiPageWikiLink Dispersion_relation.
• Coronal_seismology wikiPageWikiLink Dispersive_mass_transfer.
• Coronal_seismology wikiPageWikiLink Dissipation.
• Coronal_seismology wikiPageWikiLink Dissipative.
• Coronal_seismology wikiPageWikiLink Dynamics_(mechanics).
• Coronal_seismology wikiPageWikiLink Electrical_conduction.
• Coronal_seismology wikiPageWikiLink Electrical_resistivity_and_conductivity.
• Coronal_seismology wikiPageWikiLink Fluid.
• Coronal_seismology wikiPageWikiLink Frequency.
• Coronal_seismology wikiPageWikiLink Helioseismology.
• Coronal_seismology wikiPageWikiLink Magnetic_field.
• Coronal_seismology wikiPageWikiLink Magnetohydrodynamics.
• Coronal_seismology wikiPageWikiLink Magnetosonic_wave.
• Coronal_seismology wikiPageWikiLink NASA_Solar_probe.
• Coronal_seismology wikiPageWikiLink Nobeyama_radio_observatory.
• Coronal_seismology wikiPageWikiLink Oblique_shock.
• Coronal_seismology wikiPageWikiLink Oscillation.
• Coronal_seismology wikiPageWikiLink Perturbation_theory.
• Coronal_seismology wikiPageWikiLink Plasma_(physics).
• Coronal_seismology wikiPageWikiLink Polarization_(waves).
• Coronal_seismology wikiPageWikiLink Scale_height.
• Coronal_seismology wikiPageWikiLink Seismology.
• Coronal_seismology wikiPageWikiLink Solar_Dynamics_Observatory.
• Coronal_seismology wikiPageWikiLink Solar_Probe_Plus.
• Coronal_seismology wikiPageWikiLink Solar_and_Heliospheric_Observatory.
• Coronal_seismology wikiPageWikiLink Solar_prominence.
• Coronal_seismology wikiPageWikiLink Sound_speed.
• Coronal_seismology wikiPageWikiLink Speed_of_sound.
• Coronal_seismology wikiPageWikiLink TRACE.
• Coronal_seismology wikiPageWikiLink Transition_Region_and_Coronal_Explorer.
• Coronal_seismology wikiPageWikiLink Transverse_wave.
• Coronal_seismology wikiPageWikiLink Wave.
• Coronal_seismology wikiPageWikiLink Wave_propagation.
• Coronal_seismology wikiPageWikiLink Waveguide.
• Coronal_seismology wikiPageWikiLink Wavelength.
• Coronal_seismology wikiPageWikiLink File:Coronal_arcade.png.
• Coronal_seismology wikiPageWikiLinkText "Coronal seismology".
• Coronal_seismology wikiPageWikiLinkText "coronal seismology".
• Coronal_seismology hasPhotoCollection Coronal_seismology.
• Coronal_seismology wikiPageUsesTemplate Template:Cite_journal.
• Coronal_seismology wikiPageUsesTemplate Template:Reflist.
• Coronal_seismology subject Category:Plasma_physics.
• Coronal_seismology subject Category:Solar_phenomena.
• Coronal_seismology subject Category:Space_plasmas.
• Coronal_seismology subject Category:Sun.
• Coronal_seismology subject Category:Waves_in_plasmas.
• Coronal_seismology hypernym Technique.
• Coronal_seismology type Article.
• Coronal_seismology type Software.
• Coronal_seismology type Article.
• Coronal_seismology type Astrophysic.
• Coronal_seismology type Physic.
• Coronal_seismology type Plasma.
• Coronal_seismology comment "Coronal seismology is a technique of studying the plasma of the Sun's corona with the use of magnetohydrodynamic (MHD) waves and oscillations. Magnetohydrodynamics studies the dynamics of electrically conducting fluids - in this case the fluid is the coronal plasma. Observed properties of the waves (e.g.".
• Coronal_seismology label "Coronal seismology".
• Coronal_seismology sameAs m.04cqt22.
• Coronal_seismology sameAs Q5172179.
• Coronal_seismology sameAs Q5172179.
• Coronal_seismology wasDerivedFrom Coronal_seismology?oldid=659887593.
• Coronal_seismology depiction Coronal_arcade.png.
• Coronal_seismology isPrimaryTopicOf Coronal_seismology.