Calculations of the atomic parameters for the dielectronic satellite lines of the MG XI resonance line

Details Calculations of the atomic parameters for the dielectronic satellite lines of the MG XI resonance line Calculations of the atomic parameters for the dielectronic satellite lines of the MG XI resonance line

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..951s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 191, June 1980, p. 951-959.

Computer Science

Numerical Analysis

17

Atomic Energy Levels, Electronic Spectra, Line Spectra, Magnesium, Plasma Diagnostics, Plasma Spectra, Astrophysics, Helium, High Temperature, Numerical Analysis, Radiative Transfer, Spectroscopic Analysis, Tables (Data), Wave Functions, Wavelengths

Scientific paper

Calculations of the atomic parameters for the He-like satellites of the Mg XI resonance lines corresponding to transitions between the 1s2 and the 1s 2p, 1s 3p and 1s 4p states are presented. Wavelengths, radiative transition probabilities and the sum of these probabilities to all lower levels were determined using multiconfiguration wavefunctions to derive the energy levels, and autoionization probabilities were determined using the distorted wave method of Eissner and Seaton (1972), initially in LS coupling. Results for the n = 2 lines are shown to be in agreement with previous theoretical results; however, discrepancies are found between the results of Boiko et al. (1979) for satellites to the second resonance line. Cascade effects from higher satellite levels are found to be important only for the 1s 2s(1S) 2p 2P0J levels. Results will allow the derivation of the spectral intensities of the satellite relative to the parent lines and the estimation of the contribution of unresolved lines with n greater than 4 to the resonance line, and will be used in the interpretation of solar spectra.

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