Table 7
Transitions of Nd III originating from the 4f36s and 4f36p configurations observed only in the Nd VS grating spectra (extract).
| Int. | 𝑔uA (106 s−1) | log(𝑔if) | λobs (Å) | λRitz (Å) |  (Å) |
Lower level | Upper level | El (cm−1) | Eu (cm−1) |
|---|---|---|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
| 32 | 160 | −1.06 | 1904.916 | 1904.9130(7) | 1904.2801 | 4f3(4Iº)5d5Hº3 | 4f3(4Fº)6p5G2 | 19593.094 | 72088.930 |
| 39 | 210 | −0.94 | 1906.218 | 1906.2183(11) | 1905.5852 | 4f3(4Iº)5d3Kº6 | 4f3(4Fº)6p5G5 | 23 120.073 | 75 579.962 |
| 7 | 65 | −1.44 | 1933.861 | 1933.8594(11) | 1933.2223 | 4f3(4Iº)5d3Hº4 | 4f3(4Fº)6p5G3 | 21 491.882 | 73 201.950 |
| 10 | 55 | −1.50 | 1950.555 | 1950.5562(6) | 1949.9165 | 4f3(4Iº)5d5Iº6 | 4f3(2H2º)6p3I5 | 21 980.522 | 73 247.950 |
| 11 | 97 | −1.25 | 1977.631 | 1977.6266(10) | 1976.9825 | 4f3(4Iº)5d5Gº6 | 4f3(2H2º)6p1I6 | 26670.461 | 77236.125 |
| ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ |
| 76 | 44 | −1.17 | 3183.563 | 3183.5630(13) | 3182.6426 | 4f3(4Fº)5d5Gº6 | 4f3(4Iº)6p5K7 | 33 210.660 | 64622.006 |
| 63 | 32 | −1.31 | 3190.919 | 3190.9164(12) | 3189.9940 | 4f3(4Fº)5d5Gº6 | 4f3(4Iº)6p5I6 | 33 210.660 | 64549.620 |
| 50 | 34 | −1.28 | 3200.866 | 3200.8665(5) | 3199.9417 | 4f3(2H2º)5d3Iº5 | 4f3(4Iº)6p5I4 | 29 397.423 | 60638.963 |
| 39 | 17 | −1.58 | 3212.476 | 3212.4753(6) | 3211.5475 | 4f3(2H2º)5d3Iº5 | 4f3(4Iº)6p5K5 | 29 397.423 | 60526.067 |
| 69 | 190 | −0.53 | 3213.624 | 3213.6268(9) | 3212.6987 | 4f3(4Iº)6s  |
4f3(4Iº)6p 5H6 | 33 906.143 | 65 023.633 |
Notes. (1) Approximate relative intensity corresponding to relative energy flux, (2)–(3) weighted transition probability and log of the weighted (absorption) oscillator strength calculated using the Cowan code, where 𝑔u and 𝑔l refer to statistical weights of the upper and lower energy levels, respectively, (4) observed vacuum wavelength of the line with minimum uncertainty at ±0.006 Å estimated for unblended and symmetric lines of moderate intensity, (5) vacuum Ritz wavelength resulting from the level optimisation, its standard uncertainty is in parentheses in units of the final decimal place, (6) air Ritz wavelength converted using the three-term dispersion formula from Peck & Reeder (1972), (7)–(10) information on energy levels associated with the transition. The full version of this table is available at the CDS.
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