Some characteristics of the solar wind inferred from the study of sodium emission from cometary nuclei

Bappu, M. K. V. ; Sivaraman, K. R. (1969) Some characteristics of the solar wind inferred from the study of sodium emission from cometary nuclei Solar Physics, 10 (2). pp. 496-501. ISSN 0038-0938

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Related URL: http://dx.doi.org/10.1007/BF00145536

Abstract

Seventeen comets, having information on sodium D-line emission during their apparition, have been studied. The heliocentric distances corresponding to the sodium emission commencement or termination epoch are found to have a dependence on the phase of the solar cycle. For comets appearing during a solar maximum the sodium emission is detectable out to greater distances than, for the comets appearing during solar minimum. The sodium emission is also found to depend on heliographic latitude of the comet. It is concluded that the spatial properties of the solar wind during a solar maximum and minimum are responsible for the observed dependence.

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ID Code:37420
Deposited On:23 Apr 2011 09:45
Last Modified:17 May 2016 20:20

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