Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...253..625e&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 253, no. 2, Jan. 1992, p. 625-631.
Astronomy and Astrophysics
Astrophysics
4
Beryllium, Isoelectronic Sequence, Line Spectra, Einstein Equations, Radiative Transfer
Scientific paper
Using the general purpose atomic structure code SUPERSTRUCTURE (Eissner et al., 1974), Einstein A coefficients were calculated for Be-like-ion data from the Opacity Project and the results were compared with the Einstein A coefficients calculated by Nussbaumer (1972) for ten Be-like ions. The overall agreement is found to be good except for the two-electron radiative transitions 2p2 1,3L(e) - 2s3p 1,3P(0). By analyzing the Nussbaumer work, this discrepancy is explained. The erroneous A values are corrected, and new results for some other transitions are presented.
Eissner Werner B.
Tully John A.
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