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Published May 1971 | Published
Journal Article Open

On K-line central reversals

Abstract

The double reversal at the center of the spatially-averaged profiles of the H and K resonance lines in the solar atmosphere has been used as a probe to give the distribution of temperature and density with height. Details of the interpretations depend on the mechanism assumed for the formation of the central reversals. The non-LTE theory of stellar atmospheres has succeeded in explaining a symmetric double reversal; the history of this effort has recently been reviewed by Linsky and Avrett (1970).

Additional Information

© 1971 Kluwer Academic Publishers. Provided by the NASA Astrophysics Data System. Received 11 February 1971; Issue Date May 1971. This work was partially supported by NASA Grant NGR 05-002-034 and by NSF Grant No. GA 24015.

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