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Fine Structure of the Upper Chromosphere

Published online by Cambridge University Press:  14 August 2015

J. T. Jefferies
J. T. Jefferies*
Affiliation:
University of Hawaii, Honolulu, Hawaii, U.S.A.

Abstract

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The paper contains a review of attempts to understand observational data on the inhomogeneous structure of the upper solar chromosphere, particularly the spicules. Observations over the electromagnetic spectrum from millimetric to the ultraviolet give equivocal results; and in spite of recent progress, models for these inhomogeneous structures still face difficulties in accounting for the observed radiation. New observations in the visible are needed in order to answer even the simplest questions of kinematics, while the interpretation of the line spectra still poses many difficulties. The acquisition of EUV data at high spatial resolution should lead to major progress in the field, just as it already has done in showing the EUV emission to be concentrated over the network boundaries.

Type
Part III: The Upper Chromosphere
Information
Symposium - International Astronomical Union , Volume 56: Chromospheric Fine Structure , 1974 , pp. 71 - 88
Copyright
Copyright © Reidel 1974 

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