Vertical motions in an intense magnetic flux tube

Details Vertical motions in an intense magnetic flux tube Vertical motions in an intense magnetic flux tube

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978soph...56....5r&link_type=abstract

Solar Physics, vol. 56, Jan. 1978, p. 5-35. Research supported by the University of St. Andrews.

Physics

194

Magnetic Flux, Photosphere, Solar Atmosphere, Solar Magnetic Field, Vertical Motion, Compressibility, Pressure Effects, Weightlessness

Scientific paper

Localized intense magnetic fields in the solar photosphere are analyzed by an expansion procedure, which is applicable to a slender, vertical magnetic tube where field strength may reach 2 kG. Height, buoyancy, and compressibility within the tube are taken into account. Attention is given to pressure and velocity perturbations, noting that motions within the tube depend upon a given transition frequency, which is in turn a function of depth. Good results of the expansion procedure are obtained in cases where gravity is negligible, although the assumption of a realistic solar atmosphere, rather than idealized isothermal conditions, is preferred for the methods of analysis considered.

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