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Resonance lines in the solar chromosphere

Published online by Cambridge University Press:  14 August 2015

P. Lemaire
P. Lemaire*
Affiliation:
Laboratoire de Physique Stellaire et Planétaire, 91 Verrières-le-Buisson, France

Abstract

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Stigmatic balloon spectra of the Sun in the vicinity of 2800 Å were obtained on September 22, 1968 and April 30, 1969. We compare the observed profiles of the H and K lines of ionized magnesium with the computed profiles of Athay and Skumanich and of Dumont. The discrepancy between observed and computed profiles of the Mgii lines is considerable. It is shown that this is a general fact for all chromospheric resonance lines of abundant elements. A brief review is given of different interpretations of this discrepancy.

Type
Part II: Stellar Line Spectra
Information
Symposium - International Astronomical Union , Volume 36: Ultraviolet Stellar Spectra and Related Ground-Based Observations , 1970 , pp. 250 - 255
Copyright
Copyright © Reidel 1970 

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