Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...385..716t&link_type=abstract
Astronomy and Astrophysics, v.385, p.716-723 (2002)
Astronomy and Astrophysics
Astrophysics
40
Atomic Data, Atomic Processes
Scientific paper
Breit-Pauli results for energy levels, lifetimes, and Landé gJ factors have been determined for all levels up to 2p23d of the nitrogen-like sequence (Z=7-17) and 2p33d of the oxygen-like sequence (Z=8-20). Exceptions are some lower members of the sequence where the spectrum included only those levels below the second 2p24s term in the case of N-like or 2p34s in the case of O-like. The computed energy and E1, E2, M1, M2 transition data between all levels, including convergence of the LS line strength for both length and velocity forms, may be viewed at a website. In this paper, critically evaluated transition data is presented for N I, O II, Mg VI, and Si VIII (N-like sequence) and O I, Ne III, Mg V, and Si VII (O-like) for E1 transitions including uncertainty estimates. The accuracy of energy levels is determined by comparison with experiment. Transition rates with uncertainties are compared with experiment and other theory. Research supported by the Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy. Tables 4 and 5 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/385/716
Froese Fischer Charlotte
Tachiev G. I.
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