On the day airglow

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 May 1964 English Publisher:Springer Science and Business Media LLCJournal:Proceedings of the Indian Academy of Sciences - Section A, volume 59, pages 318-326 (issn: 0370-0089,

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Authors: S. N. Ghosh; K. D. Sharma;

doi: 10.1007/bf03046446

On the day airglow

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Abstract

The altitude variation of the intensity ofλ 6300 line of OI atom and that ofλ 3914 (0–0 band of the first negative system of N2+) in the day airglow have been calculated. It has been found that photodissociation of O2 by the Schumann-Range continuum is mainly responsible for the emission ofλ 6300 line (intensity 65 KR). Emission produced by dissociative recombination of O2+ and NO+ ions with electrons is of less importance (intensity 22 KR). The low intensity ofλ 6300 line during a solar eclipse, when the photo dissociation process is absent, is in conformity with the intensity ( 1 KR and <70 KR) obtained from theoretical considerations by Chamberlain and Sagan (1960).

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University of Allahabad
India

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