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Table 3

Level energies for Fe xi (n = 4).

i Conf. Lev. Eexp Et

265 3s2 3p3 4s 3S1 10.218 10.493 (−0.275)
288 3s2 3p3 4s 3D1 10.467 10.754 (−0.287)
289 3s2 3p3 4s 3D2 10.471 10.758 (−0.286)
291 3s2 3p3 4s 3D3 10.502 10.782 (−0.280)
295 3s2 3p3 4s 1D2 10.578 10.871 (−0.293)
334 3s2 3p3 4s 1P1 10.888 11.203 (−0.315)
345 3s2 3p3 4p 5P2 11.023 11.263 (−0.240)
353 3s2 3p3 4p 5P3 11.052 11.296 (−0.244)
377 3s2 3p3 4p 3P2  − 11.426
423 3s2 3p3 4p 1F3 11.491 11.784 (−0.293)
424 3s2 3p3 4p 3F4 11.502 11.786 (−0.284)
454 3s2 3p3 4p 3P2 11.644 12.031(−0.386)
460 3s2 3p3 4p 3D2 11.794 12.074 (−0.279)
527 3s2 3p3 4d 5D4  − 12.770
536 3s2 3p3 4d 3D3 12.546 12.838 (−0.292)
596 3s 3p4 4s 3P2 12.831 13.231(−0.400)
606 3s2 3p3 4d 1D2 12.946 13.267 (−0.321)
616 3s2 3p3 4d 1F3 12.971 13.300 (−0.329)
702 3s2 3p3 4f 5F4 13.483 13.791 (−0.308)
704 3s2 3p3 4f 5F5 13.481 13.792 (−0.311)
749 3s2 3p3 4f 3F4  − 13.979
800 3s2 3p3 4f 3G4 13.844 14.198 (−0.354)
801 3s 3p2 3d3 5H7  − 14.216
802 3s2 3p3 4f 3G5 13.868 14.227 (−0.358)
810 3s2 3p3 4f 3H6 13.935 14.292 (−0.357)
813 3s2 3p3 4f 3F4  − 14.313
891 3s2 3p3 4f 3G4 14.232 14.618 (−0.386)
898 3s2 3p3 4f 3G5 14.251 14.626 (−0.375)

Notes. Same as Table 2. The experimental level energies Eexp are from Fawcett et al. (1972). Values indicated with are from Del Zanna (2012). Also note that additional levels have been tentatively identified by Del Zanna (2012), and some energies revised.

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