Browsing by Subject "Atmospheric Models"

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Density and temperature diagnostics of solar emission lines from NA VII and AL IX

Raju, P. K; Dwivedi, B. N; Gupta, A. K (Springer, 1994-02)

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 ...
Effects of partial frequency redistribution functions R(II), R(III) and R(V) on source functions

Mohan Rao, D; Rangarajan, K. E; Peraiah, A (Indian Academy of Sciences, 1984-06)

The effects of partial frequency redistribution on the formation of spectral lines have been studied. The angle-averaged R(II), R(III) and R(V) types of redistribution with isotropic phase function have been considered. ...
Geomagnetic solar flare effect in the dark hemisphere

Sastri, J. H (National Institute of Science Communication And Information Resources, 1975-09)

Normal run magnetogram data obtained at Huancayo, Kodaikanal and Kakioka show that the geomagnetic solar flare effect (SFE or Crochet) occurs not only in the sunlit hemisphere but also in the dark hemisphere. Using a ...

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