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Table A.2

Comparison of computed wavelengths λ (in Å) and E1 transition probabilities A (in s−1) in Ce IV with results from (Reader & Wyart 2009), (Carvajal Gallego et al. 2021), and (Savukov et al. 2003). Transition rates are given in the Babushkin gauge. dT is the accuracy indicator. The level numbers in the first and second columns match the ordering of the levels in Table A.1. ‘B/C’ in the (Carvajal Gallego et al. 2021) column means the Babushkin over Coulomb gauges ratio.

Odd Even GRASP2018 HULLAC (Reader & Wyart 2009) (Carvajal Gallego et al. 2021) (Savukov et al. 2003)





level level λ A dT λ A λ A λ A B/C λ A
1 219 403.92 3.61E+10 0.21523 418.66 3.19E+09 426.811 5.05E+09
1 218 404.49 1.98E+10 0.20134 419.62 1.86E+09 427.385 7.70E+09
1 217 405.27 6.23E+07 0.27270 423.30 7.20E+07 430.281 4.95E+07
2 219 407.30 5.24E+07 0.26433 422.34 1.69E+07 430.954 5.82E+08
1 214 410.22 1.32E+07 0.12091 426.61 6.33E+06 433.503 1.53E+02
2 217 408.67 9.50E+09 0.20980 427.06 5.91E+09 434.495 7.99E+09
2 216 410.65 4.42E+09 0.18501 430.22 2.72E+09 436.017 7.92E+09
1 225 398.51 4.58E+08 0.14407 395.82 4.34E+09 436.288 1.98E+09
2 214 413.70 3.47E+09 0.20869 430.43 1.75E+09 437.776 1.83E+10
1 213 413.41 3.87E+09 0.16868 433.43 3.18E+09 438.823 9.23E+09
1 222 401.85 5.70E+10 0.19601 399.56 1.32E+11 439.134 5.43E+10
1 212 415.66 3.36E+09 0.20076 433.72 2.78E+09 439.650 3.27E+09
2 225 401.79 7.15E+10 0.19821 399.11 1.28E+11 440.621 5.12E+10
1 204 443.53 1.61E+08 0.05210 432.12 2.92E+08 440.975 7.78E+09
2 205 446.94 3.12E+08 0.34304 436.17 9.01E+08 444.453 3.92E+10
1 224 398.88 3.87E+07 0.79015 404.55 1.22E+10 444.605 2.69E+08
2 204 447.60 4.79E+06 0.10003 436.04 3.53E+07 445.398 3.23E+09
1 220 402.49 4.09E+10 0.22786 407.08 1.15E+11 446.318 7.18E+10
1 221 402.42 6.96E+10 0.30668 407.20 1.07E+11 446.540 6.66E+10
2 223 403.36 6.91E+10 0.31282 406.08 1.18E+11 448.669 3.48E+10
2 224 402.17 7.33E+10 0.23292 407.98 1.08E+11 449.100 7.34E+10
1 197 450.55 2.96E+06 0.32411 437.41 2.25E+08 449.280 3.75E+09
2 221 405.77 1.09E+08 0.18677 410.69 1.27E+10 451.078 2.38E+09
1 195 451.54 4.72E+08 0.21891 438.16 3.11E+09 451.138 2.53E+10
2 197 454.75 6.04E+08 0.23896 441.43 1.95E+09 453.874 1.21E+10
1 210 437.55 1.08E+09 0.20094 458.58 7.79E+08 465.911 9.90E+08
1 209 439.54 5.47E+08 0.21120 460.91 3.04E+08 467.975 3.05E+08
2 210 441.52 2.08E+09 0.22412 463.00 2.03E+09 470.852 2.35E+09
1 207 441.35 4.32E+07 0.24841 465.64 2.76E+07 471.296 7.49E+07
1 202 445.51 4.75E+08 0.34522 464.23 8.66E+08 475.345 1.73E+09
2 207 445.39 2.45E+09 0.22026 470.19 1.97E+09 476.350 2.75E+09
2 206 446.49 1.28E+09 0.10556 472.53 3.26E+09 478.080 1.20E+09
1 198 449.15 2.81E+09 0.15214 474.79 2.64E+09 480.579 2.55E+09
1 194 452.29 1.59E+09 0.21076 477.31 1.23E+09 481.454 1.43E+09
1 190 457.84 7.61E+08 0.22334 481.95 1.11E+09 484.998 1.40E+09
2 201 450.10 1.57E+09 0.22427 470.16 6.79E+08 485.361 4.00E+09
2 198 453.33 2.07E+08 0.17745 479.53 3.09E+08 485.837 3.04E+08
2 194 456.53 4.30E+07 0.16976 482.10 8.14E+07 486.729 3.52E+08
1 184 460.11 1.71E+07 0.19526 488.68 1.60E+08 488.793 1.29E+09
1 187 458.41 2.40E+09 0.18092 486.80 1.62E+09 489.853 1.56E+09
2 190 462.18 2.84E+09 0.24404 486.83 2.49E+09 490.354 2.03E+09
1 191 456.97 1.97E+06 0.72037 482.19 3.68E+06 491.233 1.49E+08
1 185 459.68 1.39E+08 0.18782 484.37 2.40E+08 492.183 4.85E+08
2 189 462.32 2.95E+09 0.14399 491.38 2.34E+09 493.854 2.39E+09
2 184 464.50 4.36E+08 0.21381 493.71 1.43E+08 494.233 1.28E+08
1 183 460.58 5.52E+08 0.19620 489.67 7.70E+08 495.174 6.94E+07
2 187 462.77 1.28E+08 0.26917 491.78 3.13E+08 495.317 2.30E+08
2 191 461.30 4.00E+07 0.12743 487.08 1.27E+08 496.730 8.39E+08
1 169 469.29 2.46E+09 0.24445 496.39 1.71E+09 497.343 2.00E+09
2 185 464.05 3.75E+06 0.15540 489.30 2.57E+08 497.699 3.00E+08
2 180 466.06 1.22E+08 0.31695 498.46 2.75E+08 498.455 1.60E+08
1 173 465.58 2.11E+08 0.29046 486.12 4.78E+08 499.581 2.90E+09
1 159 472.94 1.50E+06 0.40269 501.32 6.73E+07 500.328 4.83E+08
2 183 464.97 1.97E+08 0.23049 494.71 3.87E+08 500.765 2.39E+08
2 176 469.01 2.63E+07 0.06322 494.53 3.35E+07 503.720 1.28E+08
1 167 470.14 5.41E+08 0.25800 495.48 1.66E+08 505.262 1.27E+07
1 164 470.47 1.14E+08 0.30343 497.72 1.48E+08 505.850 1.17E+08
2 159 477.58 3.33E+06 0.57553 506.60 1.18E+08 506.029 1.36E+08
1 153 478.69 6.62E+08 0.23321 508.57 8.20E+08 507.755 4.08E+08
1 160 472.84 3.71E+08 0.20573 497.51 7.56E+08 508.501 1.44E+09
2 167 474.73 2.62E+08 0.16552 500.64 1.62E+07 511.079 4.95E+07
1 155 477.19 6.99E+08 0.40331 505.45 2.18E+08 511.079 3.51E+08
2 165 475.00 2.34E+08 0.40324 509.00 1.88E+08 511.329 2.29E+08
2 164 475.06 1.63E+08 0.31847 502.93 6.07E+07 511.680 1.79E+08
1 151 479.66 4.24E+08 0.15685 507.10 6.19E+08 514.348 1.07E+09
2 160 477.47 1.14E+09 0.22738 502.71 1.06E+09 514.389 1.58E+09
2 157 479.04 8.09E+06 0.24121 511.75 1.17E+08 515.183 3.62E+07
2 155 481.91 6.39E+06 0.41645 510.83 3.64E+05 517.029 1.05E+07
1 149 482.85 4.44E+07 0.25166 510.00 5.70E+08 518.919 1.43E+08
1 147 483.35 2.05E+09 0.20933 507.76 9.21E+08 520.896 2.98E+09
1 146 484.58 1.28E+08 0.33000 519.71 2.34E+08 521.907 2.41E+08
2 152 483.49 2.08E+08 0.37106 518.08 3.10E+07 522.650 3.83E+04
2 149 487.68 1.04E+09 0.17899 515.47 4.68E+08 525.056 1.64E+09
2 146 489.45 1.18E+08 0.20748 525.40 4.65E+08 528.115 2.96E+08
1 144 488.95 2.08E+07 0.51226 521.98 8.79E+07 528.707 7.15E+07
2 148 488.00 1.27E+09 0.35966 521.21 1.29E+09 529.444 2.56E+09
1 132 496.68 6.61E+08 0.24286 531.17 8.78E+08 533.056 4.53E+08
1 139 493.74 1.12E+09 0.35348 529.03 1.01E+09 534.345 2.24E+09
2 144 493.91 1.53E+09 0.26627 527.72 1.06E+09 535.084 2.19E+09
2 141 497.12 2.33E+08 0.35226 539.16 3.64E+08 536.832 3.18E+08
1 130 499.86 8.72E+08 0.24674 528.25 1.87E+08 539.040 2.43E+09
2 132 501.79 1.83E+07 0.48634 537.11 1.08E+08 539.532 3.63E+07
2 139 498.80 1.31E+04 0.67350 534.92 7.88E+07 540.855 4.98E+08
2 137 499.61 1.36E+08 0.35039 530.32 5.04E+07 541.645 5.62E+08
1 126 503.66 2.13E+05 0.70578 533.63 2.61E+07 542.600 5.05E+07
1 127 503.57 3.94E+08 0.38508 539.08 1.87E+08 545.375 5.00E+08
2 130 505.04 6.21E+07 0.14652 534.12 7.30E+06 545.664 1.15E+08
1 121 507.66 6.07E+07 0.34712 538.06 1.35E+08 545.868 1.85E+08
2 127 508.83 1.36E+08 0.26163 545.20 6.74E+07 552.150 9.75E+07
2 121 513.01 1.35E+06 0.99178 544.15 1.10E+08 552.665 2.20E+08
1 117 510.31 4.93E+07 0.26406 547.11 2.31E+08 553.748 1.95E+08
1 114 514.67 5.15E+04 0.76338 553.13 1.07E+08 555.133 1.90E+06
1 103 521.11 1.33E+07 0.53916 556.84 1.13E+07 557.394 1.19E+07
1 36 569.82 5.61E+07 0.37347 545.07 9.38E+07 558.932 2.68E+08
2 117 515.71 7.74E+07 0.17793 553.41 4.25E+07 560.742 1.39E+08
2 114 520.17 1.01E+07 0.47377 559.58 5.01E+06 562.168 9.73E+07
1 105 519.54 1.59E+08 0.40320 557.35 2.16E+07 562.501 8.69E+07
1 39 567.42 2.37E+06 0.41850 545.11 1.77E+07 564.338 2.02E+07
2 113 520.94 1.54E+07 0.31179 557.36 5.93E+05 565.209 1.20E+07
1 94 527.43 3.63E+07 0.12014 564.74 6.46E+07 569.004 3.73E+08
2 105 525.14 3.61E+07 0.34383 563.89 3.90E+07 569.719 3.34E+04
1 96 526.87 3.87E+07 0.38188 571.52 7.84E+07 571.004 8.69E+07
2 39 574.11 9.45E+07 0.33838 551.37 1.09E+07 571.605 2.78E+08
2 102 528.03 7.80E+07 0.48413 568.36 2.16E+07 572.532 1.26E+07
2 100 528.73 1.56E+08 0.46975 570.96 7.71E+07 573.279 1.41E+08
1 90 532.59 1.12E+07 0.09443 572.61 3.91E+06 573.566 3.08E+07
1 89 533.69 4.13E+07 0.37008 577.50 4.35E+07 575.051 3.80E+05
1 86 534.56 1.85E+08 0.25451 577.38 2.00E+08 577.209 3.40E+08
1 83 536.88 1.79E+07 0.16214 574.33 1.06E+07 578.068 8.20E+07
2 96 532.63 5.02E+07 0.26301 578.41 4.40E+07 578.444 9.25E+07
1 88 534.00 2.25E+06 0.20043 576.70 4.06E+05 578.504 1.65E+06
2 90 538.48 1.42E+08 0.25515 579.52 1.26E+08 581.073 2.63E+08
1 84 536.22 5.23E+05 0.83134 583.29 2.98E+06 582.216 1.85E+04
1 74 542.84 4.58E+07 0.33068 585.65 5.26E+07 583.971 6.53E+07
1 75 542.46 2.68E+07 0.21006 585.76 6.73E+07 584.166 5.32E+07
2 91 538.38 1.41E+04 0.95896 586.43 2.04E+07 584.625 1.87E+07
2 86 540.49 1.48E+06 0.79282 584.40 3.48E+07 584.812 1.24E+05
1 80 540.76 7.02E+06 0.44933 585.11 1.66E+06 585.100 6.41E+05
2 88 539.92 9.09E+07 0.15096 583.71 6.17E+07 586.143 2.71E+08
1 62 547.93 6.09E+06 0.16648 589.41 7.00E+06 589.166 1.04E+07
1 69 544.57 1.93E+06 0.12517 592.15 1.86E+06 589.521 2.34E+06
2 84 542.19 4.73E+07 0.33685 590.46 5.38E+07 589.951 5.01E+07
2 75 548.57 1.02E+06 0.36298 592.99 1.75E+07 591.955 7.40E+06
2 80 546.83 1.65E+04 0.56590 592.32 6.79E+07 592.915 8.48E+05
2 81 545.12 1.46E+06 0.52598 591.39 1.36E+07 593.027 7.14E+06
1 60 550.46 4.73E+06 0.24696 594.63 2.36E+07 593.447 9.58E+06
1 55 554.38 7.04E+06 0.18398 598.85 7.47E+06 596.831 1.88E+07
2 62 554.17 1.09E+07 0.12158 596.73 1.99E+07 597.090 3.82E+07
2 69 550.72 4.39E+07 0.19648 599.54 7.35E+07 597.460 7.56E+07
1 53 558.36 1.46E+06 0.05668 603.44 6.83E+06 601.448 4.85E+06
1 54 557.16 2.15E+06 0.13828 609.87 3.54E+06 603.183 6.24E+06
2 55 560.76 7.08E+05 0.38514 606.41 1.34E+06 604.964 1.65E+05
1 45 564.71 2.22E+05 0.46698 617.43 5.04E+04 610.375 9.49E+05
1 43 566.52 9.13E+07 0.08765 617.23 8.68E+07 610.472 1.67E+08
2 54 563.61 5.76E+07 0.08174 617.71 5.94E+07 611.488 8.18E+07
1 37 568.89 8.52E+06 0.15829 622.85 3.39E+07 613.145 6.68E+06
1 32 574.02 1.28E+07 0.21517 624.01 2.39E+07 616.792 6.55E+07
2 45 571.33 3.05E+07 0.09645 625.47 3.61E+07 618.884 4.98E+07
2 43 573.19 2.00E+07 0.09381 625.26 2.48E+07 618.978 4.15E+07
2 42 573.58 2.40E+04 0.86781 629.47 6.28E+06 620.298 4.25E+07
2 34 580.10 1.89E+07 0.31792 643.74 2.22E+07 627.599 2.48E+07
1 25 582.47 1.76E+07 0.34461 646.98 2.16E+07 629.405 2.46E+07
2 25 589.52 1.82E+05 0.01116 655.81 1.48E+04 638.453 7.20E+05
129 3 661.54 2.81E+08 0.01595 648.34 6.13E+08 671.033 4.14E+08
128 4 672.73 1.62E+08 0.15092 650.11 4.41E+08 671.304 2.88E+08
71 3 733.89 2.28E+09 0.00498 701.45 6.37E+09 741.808 4.05E+09
73 4 746.25 2.77E+09 0.00171 713.75 6.67E+09 754.608 4.26E+09
71 4 747.66 1.46E+08 0.01349 713.60 4.56E+08 755.760 2.75E+08
129 5 886.64 2.19E+07 0.13499 900.21 8.44E+06 891.587 9.40E+04
7 3 1269.95 1.27E+08 0.02689 1198.00 1.44E+08 1289.408 1.27E+08 1280.229 1.29E+08 6.80E−01 1289 1.22E+08
7 4 1311.77 1.11E+09 0.02155 1233.89 1.28E+09 1332.157 1.03E+09 1319.348 1.13E+09 6.83E−01 1334 1.06E+09
6 3 1348.52 1.16E+09 0.02286 1263.45 1.45E+09 1372.719 1.05E+09 1356.282 1.20E+09 6.62E−01 1371 1.11E+09
7 149 1239.01 3.84E+06 0.00509 1599.81 1.90E+07 1528.667 3.68E+07
6 119 1337.35 2.33E+05 0.06265 1781.62 2.40E+07 1633.698 4.85E+07
6 66 1635.86 5.08E+08 0.01754 1685.40 3.89E+08 1641.591 5.35E+08 1681.435 4.90E+08 8.26E−01
7 130 1357.61 7.84E+03 0.65798 1794.24 9.00E+06 1717.489 6.57E+05
7 119 1424.76 7.02E+05 0.20210 1930.34 4.38E+07 1769.788 7.90E+07
6 36 1862.68 6.97E+08 0.02815 1844.45 1.19E+09 1775.304 7.75E+08
7 66 1768.59 1.01E+09 0.01530 1817.90 7.90E+08 1779.060 8.35E+08 1815.113 9.75E+08 8.27E−01
7 121 1416.71 1.19E+07 0.03397 1912.65 5.27E+08 1788.813 1.52E+08
6 94 1475.11 2.25E+07 0.04000 2090.89 5.15E+07 1881.067 3.50E+08
7 114 1472.69 2.71E+06 0.04402 2117.87 5.82E+07 1892.370 1.01E+08
1 4 1993.49 2.28E+06 0.19572 1903.82 2.80E+06 1914.740 1.93E+06 1930.987 2.30E+06 5.94E−01 1994 4.56E+06
7 103 1526.71 9.97E+06 0.02736 2173.31 4.77E+07 1918.842 3.12E+08
7 36 2036.72 1.18E+08 0.02557 2004.32 2.04E+08 1937.185 1.19E+08
6 89 1525.19 1.29E+07 0.05191 2277.13 1.32E+05 1948.828 1.24E+08
6 83 1551.55 5.54E+06 0.02525 2228.68 1.38E+07 1983.919 6.60E+05
2 4 2078.55 4.12E+07 0.22325 1982.37 5.01E+07 2001.046 3.33E+07 2011.384 4.15E+07 5.62E−01 2086 8.41E+07
7 39 2006.45 1.02E+09 0.02705 2004.89 7.20E+08 2003.726 5.93E+08
1 3 2098.51 4.06E+07 0.22504 1996.10 5.01E+07 2010.562 3.43E+07 2021.386 4.18E+07 5.76E−01 2102 8.56E+07
6 74 1602.32 6.27E+06 0.05356 2409.30 1.17E+06 2055.214 3.33E+06
7 94 1582.18 4.38E+06 0.08474 2298.74 8.04E+06 2063.796 5.18E+07
7 90 1629.61 7.34E+05 0.04017 2434.92 5.65E+06 2125.119 7.08E+06
7 89 1639.94 1.55E+06 0.03773 2525.86 8.97E+04 2145.654 1.91E+07
7 86 1648.16 2.95E+07 0.05247 2523.61 9.51E+06 2175.994 5.83E+07
6 60 1670.65 1.82E+07 0.06000 2569.06 5.69E+05 2177.598 3.33E+06
7 83 1670.46 1.59E+06 0.07980 2466.33 2.32E+06 2188.261 1.03E+04
7 74 1729.46 8.50E+05 0.04183 2689.47 2.07E+05 2275.319 5.88E+05
7 75 1725.70 1.72E+07 0.04651 2692.03 1.39E+06 2278.285 8.63E+06
6 53 1745.57 1.03E+07 0.04910 2741.89 1.20E+05 2289.380 5.28E+05
73 205 2402.26 5.03E+08 0.07554 2582.77 9.94E+08 2352.703 6.16E+08
71 204 2406.58 5.44E+08 0.07084 2580.10 9.31E+08 2368.060 1.01E+09
73 204 2421.36 2.31E+07 0.06356 2578.16 3.48E+07 2379.435 3.53E+07
7 60 1809.32 2.32E+06 0.02419 2890.09 1.61E+05 2426.288 7.75E+05
7 5 2477.36 3.99E+08 0.05400 2480.32 4.93E+08 2457.600 4.70E+08 2409.000 4.35E+08 9.04E−01 2465 3.95E+08
73 223 1519.66 6.24E+03 0.99371 1795.00 6.19E+07 2475.908 5.89E+08
71 221 1548.34 1.07E+05 0.14094 1889.74 4.85E+07 2537.880 9.15E+07
73 197 2646.57 1.94E+07 0.28284 2778.63 2.75E+07 2643.099 3.27E+07
6 5 2795.03 2.78E+08 0.05605 2778.32 3.57E+08 2779.075 3.25E+08 2693.167 3.14E+08 9.23E−01 2785 2.72E+08
7 32 2091.45 9.03E+06 0.02582 3747.56 2.15E+04 2870.443 4.93E+04
128 219 2050.83 6.81E+04 0.72959 3075.83 2.75E+06 3020.413 1.31E+06

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