Physics – Atomic Physics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..535h&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Nov. 1983, p. 535-541. Research supported by the S
Physics
Atomic Physics
46
Magnesium, Oscillator Strengths, Stellar Spectra, Atomic Physics, Interstellar Matter, Line Spectra, Optical Transition, Wave Functions
Scientific paper
Configuration interaction wavefunctions are used to derive oscillator strengths for transitions of the Mg+ ion, in particular that for the 3s2S→4p2P0 multiplet near 1240 Å. By comparing calculations of different complexity a value for the multiplet oscillator strength of 4×10-4 is found with an error estimate of ±1×10-4. This is significantly lower than that generally used in studies of the interstellar medium and the implications of this are briefly discussed. Oscillator strengths for other transitions between 2S and 2P0 levels are also tabulated.
Dufton Philip L.
Hibbert Alan
Murray James M.
York Don G.
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