Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205.1085b&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Dec. 1983, p. 1085-1096.
Astronomy and Astrophysics
Astrophysics
29
Astronomical Spectroscopy, Forbidden Bands, Isoelectronic Sequence, Line Spectra, Silicon, Transition Probabilities, Astronomical Models, Ions, Oscillator Strengths, Self Consistent Fields
Scientific paper
Transition probabilities for all the 3p2 forbidden lines for alternate ions from S III to Sn XXXVII were calculated with reference to emissions from astrophysical objects, especially low-density media. The HXR self-consistent field method and Slater-Condon theory were used to calculate radial wavefunctions and energy levels for the 3p2 and five low interacting configurations. Results for Z not greater than 28 agree well with those of Mendoza and Zeippen (1982) and confirm significant improvements over earlier published A values. The results obtained extend the theoretical data to zinc and beyond to Z = 50, thus better illustrating trends in magnetic dipole and electric quadrupole oscillator strengths with Z.
Biémont É.
Bromage Gordon E.
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