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Spectroscopic Diagnostics for N III Ion

Published online by Cambridge University Press:  12 April 2016

B.N. Dwivedi ,
Anita Mohan  and
A.K. Gupta
B.N. Dwivedi
Affiliation:
Department of Applied Physics, Institute of Technology Banaras Hindu University, Varanasi 221 005.India
Anita Mohan
Affiliation:
Department of Applied Physics, Institute of Technology Banaras Hindu University, Varanasi 221 005.India
A.K. Gupta
Affiliation:
Department of Applied Physics, Institute of Technology Banaras Hindu University, Varanasi 221 005.India

Extract

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Spectroscopic diagnostics for the N III ion have been studied using an atomic model comprising of the first eleven energy levels. We have taken account of the various populating and depopulating mechanisms to solve the detailed balance equations to determine the level populations as a function of electron density and temperature. We then studied the line emissivity ratios as tools for density and temperature diagnostics. Density-sensitive and temperature-sensitive line emissivity ratios have been presented and their diagnostic applications to the solar atmosphere have been discussed with the help of available observations.

Type
Numerical Modelling
Information
International Astronomical Union Colloquium , Volume 154: Solar and Interplanetary Transients , 1996 , pp. 163
Copyright
Copyright © Kluwer 1997