A mechanism for a class of solar coronal disturbances

Details A mechanism for a class of solar coronal disturbances A mechanism for a class of solar coronal disturbances

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..83..189w&link_type=abstract

Astrophysics and Space Science, vol. 83, no. 1-2, Apr. 1982, p. 189-194.

Astronomy and Astrophysics

Astrophysics

10

Magnetohydrodynamic Flow, Magnetohydrodynamic Waves, Plasma Interactions, Solar Atmosphere, Solar Corona, Coronal Loops, Perturbation Theory, Photosphere, Plasma Dynamics

Scientific paper

A new ideal magnetohydrodynamic (MHD) model is used to examine the dynamical response of the upper solar atmosphere to the injection of cold mass from the photosphere, a surge perturbation. Theoretical results show that mass ejections from the photosphere will form loop structures with internally-moving plasma blobs, which is due to the mass injections from both legs in active regions leading to a reflection of waves at the top of the loop. The mass-loaded loop will remain as long as ejection continues, and will excite MHD waves propagating outward to the upper atmosphere, which may trigger a class of coronal disturbances.

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