Table 2
Examples of cross-matched transitions for which the electronic configurations are inconsistently reported.
| Ion | λ (Å) | Ei (eV) | Ek (eV) | Ji | Jk | Configuration: lower–upper | References | |
|---|---|---|---|---|---|---|---|---|
| (a) | Fe I | 4200.087 | 3.884 | 6.835 | 3 | 3 | 3p63d6(5D)4s4p(3P°) z3D°–3p63d7(4F)4d f3F | K07a |
| Fe I | 4200.087 | 3.884 | 6.835 | 3 | 3 | 3d6(5D)4s4p(3P°) z3D°–3d7(4F)4d f3F | K14a | |
| (b) | W I | 4200.028 | 2.037 | 4.988 | 4 | 4 | 5d46s2 a3G–° | CBb |
| W I | 4200.020 | 2.037 | 4.988 | 4 | 4 | 5d46s2 3G–° | L153c | |
| (c) | Ca II | 4206.176 | 7.505 | 10.452 | 1/2 | 1/2 | 3p6(1S)5p 2P°–3p6(1S)8s 2S | K99a |
| Ca II | 4206.180 | 7.505 | 10.452 | 1/2 | 1/2 | 3p65p 2P°–3p68s 2S | L7323d | |
| (d) | Fe I | 4202.335 | 2.588 | 5.538 | 3 | 2 | 3p63d64s2 b3F–3p63d6(a3F)4s4p(3P°) v5D° | K07a |
| Fe I | 4202.330 | 2.588 | 5.538 | 3 | 2 | 3d64s2 b3F2–3d6(3F2)4s4p(3P°) v5D° | L11631e | |
Notes. (a)–(d) show four pairs of transitions, each pair has one or more differences in configuration notation, (a) difference in sub-shells, (b) difference in term notation, (c) difference in term positions within configuration, and (d) shows differences in seniority of term and differences in sub-shell.
References. (a) Kurucz (1999–2014), (b) Corliss & Bozman (1962), (c) Kramida & Shirai (2006), (d) Sugar & Corliss (1985), and (e) Nave & Johansson (2013).
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