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Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/2658
Title: Density and temperature diagnostics of solar emission lines from NA VII and AL IX
Authors: Raju, P. K
Dwivedi, B. N
Gupta, A. K
Keywords: Aluminum
Chromosphere
Emission Spectra
Line Spectra
Plasma Density
Plasma Diagnostics
Plasma Temperature
Sodium
Solar Corona
Solar Electrons
Solar Spectra
Stellar Models
Ultraviolet Astronomy
Ultraviolet Spectra
Astronomical Spectroscopy
Atmospheric Models
Collision Parameters
Electron Density (Concentration)
Electron Pressure
Extreme Ultraviolet Radiation
Ions
Mathematical Models
Radiative Transfer
Soho Mission
Solar Atmosphere
Solar Cycles
Ultraviolet Spectromete
Issue Date: Feb-1994
Publisher: Springer
Citation: Solar Physics, Vol. 149, No. 2, pp. 289 - 299
Abstract: Line intensity ratios of extreme ultraviolet (EUV) emission lines from Na VII and Al IX have been considered for electron density and temperature determinations within the chromosphere-corona transition region and the corona. The electron pressure within the emission region has been assumed to be a constant parameter. Theoretical line intensities for these ions have been computed using a model solar atmosphere and compared with the values as observed by the Apollo Telescope Mount (ATM) ultraviolet spectrometer. The observed intensities correspond to the average quiet-Sun conditions near solar minimum.
URI: http://hdl.handle.net/2248/2658
ISSN: 0038-0938
Appears in Collections:IIAP Publications

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