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On temperature in line-gap regions

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Abstract

The small regions in the photosphere where many absorption lines weaken have been investigated by several authors. Sheeley attempted to explain the weakening of neutral lines in terms of a temperature increase on the basis of a simple theoretical model. It is shown that this model is not applicable but that a modified theory is able to interpret the observed behaviour of both neutral and ionized lines in terms of a temperature increase of a few percent.

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  1. Fraunhofer Institut, Freiburg i.Br., Germany

    U. Grossmann-Doerth

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  1. U. Grossmann-Doerth
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Mitteilungen aus dem Fraunhofer Institut, Nr. 98.

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Grossmann-Doerth, U. On temperature in line-gap regions. Sol Phys 13, 287–291 (1970). https://doi.org/10.1007/BF00153549

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  • DOI: https://doi.org/10.1007/BF00153549

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