Spicules and surges

Details Spicules and surges Spicules and surges

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290..359b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 290, March 1, 1985, p. 359-368. Previously announced in STAR as N85-16727.

Astronomy and Astrophysics

Astrophysics

29

Chromosphere, Magnetohydrodynamics, Solar Wind, Spicules, Sun, Surges, Atmospheric Circulation, Atmospheric Models, Equations Of Motion, Magnetic Field Configurations, Steady Flow, Steady State

Scientific paper

The authors adopt the position that spicules, macrospicules, and surges are manifestations of the same phenomenon occurring on different scales. They search for a mechanism that can be successfully applied to explain the phenomenon on all three scales. It is found that the Pikel'ner model, according to which gas is transported in a sequence of "magnetic sacks" which may, for instance, form as the result of reconnection, can reproduce the kinematic properties of spicules and surges. A modification of this mechanism, involving two different magnetic field configurations, can explain the collimation of spicules and surges. The implications of the Pikel'ner mechanism for the heating of the solar corona are examined.

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