Browsing by Subject "Neon"

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Density and temperature diagnostics of solar emission lines from NE VI and MG VI

Raju, P. K; Gupta, A. K (Kluwer Academic Publishers, 1993-06)

Line intensity ratios of Ne VI lines with respect to a resonance line of Mg VI have been considered for electron density and temperature determinations within the chromosphere-corona transition region. The electron pressure ...
The hot R Coronae Borealis star DY Centauri: Nebular and photospheric lines

Kameswara Rao, N; Giridhar, S; Lambert, D. L (The European Southern Observatory, 1993-12)

High resolution spectra in the red region of the hot R CrB star DY Cen show the following characteristics: a strong absorption line spectrum dominated by lines of C II, N II, and Ne I inverse P-Cygni type profiles of some ...
Spectral lines behavior of Be I and Na I isoelectronic sequence in Debye plasma environment

Chaudhuri, R. K; Chattopadhyay, S; Mahapatra, U. S (American Institute of Physics, 2012-08)

We report the plasma screening effect on the first ionization potential (IP) and [He]2s/sup2/ (/sup1/S/sup0/)→[He]2s2p/2s3p allowed (/sup1/P/sub1/) and inter-combination transitions (/sup3/P/sub1/) in some selected Be-like ...

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