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Issue A&A
Volume 365, Number 2, January II 2001
Page(s) 266 - 267
Section Atomic and molecular data
DOI http://dx.doi.org/10.1051/0004-6361:20000181



A&A 365, 266-267 (2001)
DOI: 10.1051/0004-6361:20000181

Oscillator strengths between fine structure levels of Fe XXIII

J. A. Tully1 and M. C. Chidichimo2 .

1  Observatoire de la Côte d'Azur, CNRS Laboratoire Cassini, Bd. de l'Observatoire, BP 4229, 06304 Nice Cedex 4, France
2  Department of Applied Mathematics, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada

(Received 18 July 2000 / Accepted 4 October 2000 )

Abstract
We tabulate theoretical line strengths, f-values and transition energies for the beryllium-like ion Fe XXIII. Transitions are between levels 2l1 2l2 S'L'J' and 2l3 nl4 SLJ with n = 2, 3, 4. The calculation uses the well known configuration interaction program CIV3 in which relativistic effects are allowed for by means of the Breit-Pauli approximation. We give a detailed comparison of our oscillator strengths with those which Chen & Ong (1998) obtained using the relativistic Dirac code GRASP2.


Key words: Atomic data

Offprint request: J. A. Tully




© ESO 2001


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