A new way of organising spectral line intensity ratio fluctuations of different elements

The Analyst ◽  
1987 ◽  
Vol 112 (5) ◽  
pp. 623 ◽  
Author(s):  
Bo Thelin
Keyword(s):  
Spectral Line ◽  
Line Intensity ◽  
Intensity Ratio ◽  
Spectral Line Intensity ◽  
Line Intensity Ratio

The relative intensities of nitrogen lines in the semi-coronal regime

1973 ◽  
Vol 9 (1) ◽  
pp. 77-88 ◽  
Author(s):  
W. A. Cilliers ◽  
J. D. Hey ◽  
J. P. S. Rash
Keyword(s):  
Spectral Line ◽  
Electron Temperature ◽  
Electron Density ◽  
Line Intensity ◽  
Intensity Ratio ◽  
Spectral Lines ◽  
Spectral Line Intensity ◽  
Line Intensity Ratio ◽  
Ratio Data ◽  
Intensity Ratios

At plasma densities lower than about 1018 cm-3, strictly speaking, the LTE model cannot be used when the electron temperature is calculated from measured spectral line intensity ratios. In this work a number of nitrogen spectral lines were studied at an electron density of about 1016 cm-3, and the results are discussed with reference to the LTE and semi-coronal models. A method is suggested for analyzing line intensity ratio data from plasmas in the semi-coronal regime.

Spectral Line Intensity Variations in Planetary Nebulae

Nature ◽  
1969 ◽  
Vol 221 (5181) ◽  
pp. 646-646
Author(s):  
LAWRENCE H. ALLER ◽  
GORDON WARES
Keyword(s):  
Spectral Line ◽  
Line Intensity ◽  
Planetary Nebulae ◽  
Spectral Line Intensity

On green-to-red line intensity ratio in the solar corona

Solar Physics ◽  
1976 ◽  
Vol 46 (1) ◽  
pp. 183-184 ◽  
Author(s):  
S. Chandra ◽  
U. Narain
Keyword(s):  
Solar Corona ◽  
Line Intensity ◽  
Intensity Ratio ◽  
Line Intensity Ratio ◽  
Red Line
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