| Element | Intensity | Wavelength (nm) in air |
Spectrum | Levels Odd J Even J |
|||
| ThI-II | 236 | 833.0449 | I | 19 503 | 3 | 7 502 | 3 |
| ThI-II | 19 | 835.8726 | I | 11 241 | 3 | 23 201 | 3 |
| ThI-II | 10 | 836.7394 | I | 15 618 | 3 | 27 566 | 2 |
| ThI-II | 11 | 836.9340 | I | 13 945 | 3 | 25 890 | 2 |
| ThI-II | 10 | 840.3767 | II | 12 485 | 7/2 | 24 381 | 7/2 |
| ThI-II | 120 | 841.6727 | I | 11 877 | 1 | 0 | 2 |
| ThI-II | 45 | 841.7998 | I | 12 114 | 2 | 23 990 | 2 |
| ThI-II | 92 | 842.1225 | I | 15 736 | 1 | 3 865 | 1 |
| ThI-II | 56 | 844.5487 | I | 19 948 | 4 | 8 111 | 4 |
| ThI-II | 161 | 844.6512 | I | 11 197 | 5 | 23 032 | 4 |
| ThI-II | 20 | 846.4237 | I | 8 243 | 2 | 20 054 | 2 |
| ThI-II | 14 | 847.1826 | I | 23 603 | 2 | 11 802 | 2 |
| ThI-II | 141 | 847.8358 | I | 17 354 | 1 | 5 563 | 1 |
| ThI-II | 25 | 847.8530 | I | 11 241 | 3 | 23 032 | 4 |
| ThI-II | 17 | 851.0624 | I | 11 241 | 3 | 22 988 | 2 |
| ThI-II | 21 | 851.6554 | I | 19 588 | 5 | 31 326 | 4 |
| ThI-II | 12 | 853.9793 | I | 18 069 | 3 | 6 362 | 2 |
| ThI-II | 12 | 854.3723 | I | 15 490 | 5 | 27 191 | 5 |
| ThI-II | 11 | 854.4596 | I | 21 903 | 7 | 33 603 | 6 |
| ThI-II | 19 | 855.4944 | I | 14 243 | 1 | 2 558 | 0 |
| ThI-II | 68 | 857.3121 | I | 17 224 | 2 | 5 563 | 1 |
| ThI-II | 18 | 863.9442 | I | 10 526 | 3 | 22 098 | 4 |
| ThI-II | 12 | 864.5309 | I | 25 526 | 1 | 13 962 | 1 |
| ThI-II | 184 | 865.5523? | |||||
| ThI-II | 69 | 866.5486 | I | 19 039 | 2 | 7 502 | 3 |
| ThI-II | 10 | 866.8116 | I | 24 381 | 2 | 12 847 | 3 |
| ThI-II | 23 | 870.9234 | I | 15 166 | 3 | 3 687 | 2 |
| ThI-II | 14 | 873.2424 | I | 23 049 | 1 | 11 601 | 1 |
| ThI-II | 86 | 874.8031 | I | 18 930 | 3 | 7 502 | 3 |
| ThI-II | 15 | 874.9170 | I | 20 867 | 7 | 32 294 | 7 |
| ThI-II | 68 | 875.8243 | I | 20 214 | 3 | 8 800 | 4 |
| ThI-II | 15 | 876.0450 | I | 24 259 | 4 | 12 847 | 3 |
| ThI-II | 17 | 876.6745 | I | 24 701 | 5 | 13 297 | 4 |
| ThI-II | 17 | 877.2805 | I | 11 241 | 3 | 22 637 | 3 |
| ThI-II | 32 | 877.5573 | I | 19 503 | 3 | 8 111 | 4 |
| ThI-II | 14 | 879.2057 | I | 25 575 | 4 | 14 204 | 5 |
| ThI-II | 10 | 880.4589 | I | 24 202 | 4 | 12 847 | 3 |
| ThI-II | 10 | 882.0421 | I | 18 614 | 1 | 7 280 | 2 |
| ThI-II | 22 | 884.1183 | I | 18 809 | 4 | 7 502 | 3 |
| ThI-II | 46 | 886.8833 | I | 21 077 | 5 | 9 804 | 5 |
| ThI-II | 13 | 894.9123 | I | 24 259 | 4 | 13 088 | 3 |
| ThI-II | 177 | 896.7640 | I | 19 948 | 4 | 8 800 | 4 |
| ThI-II | 14 | 896.9867 | I | 19 227 | 6 | 30 372 | 6 |
| ThI-II | 10 | 901.2526 | I | 18 011 | 5 | 29 104 | 4 |
| ThI-II | 25 | 901.6590 | I | 12 114 | 2 | 23 201 | 3 |
| ThI-II | 11 | 903.1819 | I | 23 916 | 4 | 12 847 | 3 |
| ThI-II | 11 | 903.7894 | I | 17 501 | 5 | 28 562 | 4 |
| ThI-II | 15 | 904.5353 | I | 22 855 | 3 | 11 802 | 2 |
| ThI-II | 199 | 904.8250 | I | 17 411 | 3 | 6 362 | 2 |
| ThI-II | 22 | 906.3960 | I | 8 243 | 2 | 19 273 | 2 |
| ThI-II | 41 | 909.4829 | I | 17 354 | 1 | 6 362 | 2 |
| ThI-II | 13 | 911.9637 | I | 24 259 | 4 | 13 297 | 4 |
| ThI-II | 11 | 913.4692 | I | 19 986 | 6 | 30 930 | 6 |
| ThI-II | 15 | 914.0556 | I | 23 621 | 8 | 34 558 | 8 |
| ThI-II | 23 | 916.5895 | I | 22 508 | 2 | 11 601 | 1 |
| ThI-II | 10 | 917.8780 | I | 26 384 | 4 | 15 493 | 4 |
| ThI-II | 323 | 920.3962 | I | 17 224 | 2 | 6 362 | 2 |
| ThI-II | 26 | 922.7512 | I | 18 011 | 5 | 28 845 | 4 |
| ThI-II | 79 | 926.6207 | I | 18 069 | 3 | 7 280 | 2 |
| ThI-II | 16 | 926.6920 | I | 19 588 | 5 | 8 800 | 4 |
| ThI-II | 33 | 927.6273 | I | 14 465 | 2 | 3 687 | 2 |
| ThI-II | 56 | 928.9562 | I | 20 566 | 4 | 9 804 | 5 |
| ThI-II | 16 | 930.7896 | I | 19 986 | 6 | 30 726 | 7 |
| ThI-II | 22 | 934.0705 | I | 19 503 | 3 | 8 800 | 4 |
| ThI-II | 29 | 938.3272 | I | 16 217 | 2 | 5 563 | 1 |
| ThI-II | 13 | 938.8931 | I | 22 348 | 2 | 11 601 | 1 |
| ThI-II | 345 | 939.9089 | I | 7 795 | 4 | 18 431 | 3 |
| ThI-II | 18 | 940.9349 | I | 16 346 | 4 | 26 971 | 4 |
| ThI-II | 20 | 943.1600 | I | 14 465 | 2 | 3 865 | 1 |
| ThI-II | 78 | 946.1028 | I | 18 069 | 3 | 7 502 | 3 |
| ThI-II | 10 | 946.1207 | I | 23 655 | 4 | 13 088 | 3 |
| ThI-II | 58 | 946.7195 | I | 16 783 | 4 | 27 343 | 3 |
| ThI-II | 50 | 947.0682 | I | 14 243 | 1 | 3 687 | 2 |
| ThI-II | 153 | 947.4879 | I | 18 053 | 4 | 7 502 | 3 |
| ThI-II | 103 | 949.5498 | I | 15 490 | 5 | 4 961 | 4 |
| ThI-II | 147 | 949.7189 | I | 10 526 | 3 | 0 | 2 |
| ThI-II | 27 | 950.5393 | I | 20 322 | 5 | 9 804 | 5 |
| ThI-II | 37 | 956.1245 | I | 8 243 | 2 | 18 699 | 2 |
| ThI-II | 12 | 958.2813 | I | 23 521 | 3 | 13 088 | 3 |
| ThI-II | 31 | 962.9569 | I | 14 247 | 0 | 3 865 | 1 |
| ThI-II | 53 | 963.2644 | I | 14 243 | 1 | 3 865 | 1 |
| ThI-II | 59 | 966.4698 | I | 14 032 | 2 | 3 687 | 2 |
| ThI-II | 92 | 970.0563 | I | 13 175 | 4 | 2 869 | 3 |
| ThI-II | 11 | 974.3561 | I | 16 783 | 4 | 27 044 | 3 |
| ThI-II | 207 | 974.6463 | I | 13 945 | 3 | 3 687 | 2 |
| ThI-II | 15 | 979.6200 | I | 15 166 | 3 | 4 961 | 4 |
| ThI-II | 78 | 981.2698 | I | 8 243 | 2 | 18 431 | 3 |
| ThI-II | 186 | 982.6450 | I | 15 736 | 1 | 5 563 | 1 |
| ThI-II | 211 | 983.3423 | I | 14 032 | 2 | 3 865 | 1 |
| ThI-II | 12 | 997.0463 | I | 13 175 | 4 | 23 201 | 3 |
| ThI-II | 25 | 998.5050 | I | 16 783 | 4 | 26 796 | 3 |
| ThI-II | 40 | 998.7635 | I | 18 809 | 4 | 8 800 | 4 |
| ThI-II | 51 | 1 003.9364 | I | 18 069 | 3 | 8 111 | 4 |
| ThI-II | 29 | 1 008.3785 | I | 19 227 | 6 | 29 141 | 5 |
| ThI-II | 62 | 1 008.9135 | I | 17 411 | 3 | 7 502 | 3 |
| ThI-II | 22 | 1 013.3566 | II | 11 725 | 1/2 | 1 859 | 3/2 |
| ThI-II | 13 | 1 014.0431 | I | 20 867 | 7 | 30 726 | 7 |
| ThI-II | 37 | 1 014.1397 | I | 13 175 | 4 | 23 032 | 4 |
| ThI-II | 12 | 1 017.5008 | I | 14 206 | 4 | 24 032 | 4 |
| ThI-II | 15 | 1 017.8519 | I | 22 669 | 3 | 12 847 | 3 |
| ThI-II | 13 | 1 021.8433 | I | 19 588 | 5 | 9 804 | 5 |
| ThI-II | 10 | 1 024.7557 | I | 23 603 | 2 | 13 847 | 2 |
| ThI-II | 26 | 1 025.7369 | I | 14 243 | 1 | 23 990 | 2 |
| ThI-II | 19 | 1 030.8544 | I | 19 986 | 6 | 29 684 | 5 |
| ThI-II | 11 | 1 031.6891 | I | 17 501 | 5 | 27 191 | 5 |
| ThI-II | 12 | 1 034.9048 | I | 22 508 | 2 | 12 847 | 3 |
| ThI-II | 13 | 1 041.9579 | II | 11 116 | 7/2 | 1 521 | 5/2 |
| ThI-II | 24 | 1 049.2258 | I | 10 526 | 3 | 20 054 | 2 |
| ThI-II | 27 | 1 049.4840 | I | 14 243 | 1 | 23 769 | 1 |
| ThI-II | 22 | 1 049.8492 | I | 14 247 | 0 | 23 769 | 1 |
| ThI-II | 20 | 1 051.2205 | I | 18 011 | 5 | 27 521 | 4 |
| ThI-II | 20 | 1 052.7786 | I | 17 501 | 5 | 26 997 | 6 |
| ThI-II | 11 | 1 054.0954 | I | 18 011 | 5 | 27 495 | 4 |
| ThI-II | 55 | 1 055.6450 | I | 17 501 | 5 | 26 971 | 4 |
| ThI-II | 50 | 1 056.5305 | I | 13 175 | 4 | 22 637 | 3 |
| ThI-II | 11 | 1 066.4233 | I | 15 736 | 1 | 6 362 | 2 |
| ThI-II | 14 | 1 072.3924 | II | 13 468 | 9/2 | 4 146 | 7/2 |
| ThI-II | 17 | 1 072.5419 | I | 20 922 | 2 | 11 601 | 1 |
| ThI-II | 167 | 1 072.6926 | I | 11 877 | 1 | 2 558 | 0 |
| ThI-II | 10 | 1 075.4330 | I | 15 618 | 3 | 24 915 | 3 |
| ThI-II | 13 | 1 080.0048 | I | 13 945 | 3 | 23 201 | 3 |
| ThI-II | 17 | 1 081.3394 | I | 14 206 | 4 | 4 961 | 4 |
| ThI-II | 26 | 1 094.2246 | II | 15 349 | 11/2 | 6 213 | 9/2 |
| ThI-II | 16 | 1 096.2884 | I | 20 922 | 2 | 11 802 | 2 |
| ThI-II | 47 | 1 105.1895 | I | 15 618 | 3 | 24 664 | 3 |
| ThI-II | 13 | 1 107.4805 | I | 21 903 | 7 | 30 930 | 6 |
| ThI-II | 10 | 1 110.1804 | I | 18 809 | 4 | 9 804 | 5 |
| ThI-II | 12 | 1 118.5926 | I | 16 217 | 2 | 7 280 | 2 |
| ThI-II | 170 | 1 123.0255 | I | 14 465 | 2 | 5 563 | 1 |
| ThI-II | 11 | 1 130.3787 | I | 22 141 | 3 | 13 297 | 4 |
| ThI-II | 16 | 1 133.0425 | I | 21 903 | 7 | 30 726 | 7 |
| ThI-II | 29 | 1 135.1920 | I | 19 227 | 6 | 28 034 | 5 |
| ThI-II | 103 | 1 135.4714 | I | 15 166 | 3 | 6 362 | 2 |
| ThI-II | 10 | 1 138.6235 | I | 15 618 | 3 | 24 399 | 3 |
| ThI-II | 19 | 1 142.9708 | I | 10 526 | 3 | 19 273 | 2 |
| ThI-II | 58 | 1 151.1559 | I | 20 867 | 7 | 29 552 | 6 |
| ThI-II | 17 | 1 152.6898 | I | 23 621 | 8 | 32 294 | 7 |
| ThI-II | 13 | 1 157.1479 | I | 19 588 | 5 | 28 227 | 4 |
| ThI-II | 26 | 1 159.5984 | I | 16 783 | 4 | 25 405 | 4 |
| ThI-II | 15 | 1 161.7460 | I | 14 032 | 2 | 22 637 | 3 |
| ThI-II | 12 | 1 166.7639 | I | 16 346 | 4 | 24 915 | 3 |
| ThI-II | 43 | 1 170.3454 | I | 15 490 | 5 | 24 032 | 4 |
| ThI-II | 13 | 1 180.4618 | I | 14 032 | 2 | 5 563 | 1 |
| ThI-II | 10 | 1 182.9638 | I | 21 539 | 4 | 13 088 | 3 |
| ThI-II | 22 | 1 186.4247 | I | 12 114 | 2 | 3 687 | 2 |
| ThI-II | 28 | 1 194.0638 | I | 11 241 | 3 | 2 869 | 3 |
| ThI-II | 13 | 1 194.2127 | I | 15 618 | 3 | 23 990 | 2 |
| ThI-II | 30 | 1 194.5360 | I | 18 011 | 5 | 26 380 | 5 |
| ThI-II | 16 | 1 198.4669 | II | 12 488 | 9/2 | 4 146 | 7/2 |
| ThI-II | 38 | 1 201.8717 | I | 16 346 | 4 | 24 664 | 3 |
| ThI-II | 12 | 1 212.6419 | I | 18 011 | 5 | 26 255 | 4 |
| ThI-II | 29 | 1 212.7302 | I | 8 243 | 2 | 0 | 2 |
| ThI-II | 10 | 1 212.9424 | I | 21 539 | 4 | 13 297 | 4 |
| ThI-II | 10 | 1 219.4164 | II | 9 720 | 7/2 | 1 521 | 5/2 |
| ThI-II | 15 | 1 220.6894 | I | 11 877 | 1 | 3 687 | 2 |
| ThI-II | 61 | 1 223.1945 | I | 10 526 | 3 | 18 699 | 2 |
| ThI-II | 14 | 1 223.3198 | I | 14 465 | 2 | 22 637 | 3 |
| ThI-II | 22 | 1 233.7998 | I | 14 465 | 2 | 6 362 | 2 |
| ThI-II | 15 | 1 241.5160 | I | 16 346 | 4 | 24 399 | 3 |
| ThI-II | 16 | 1 247.7296 | I | 11 877 | 1 | 3 865 | 1 |
| ThI-II | 10 | 1 253.6143 | I | 18 011 | 5 | 25 923 | 4 |
| ThI-II | 82 | 1 264.6535 | I | 10 526 | 3 | 18 431 | 3 |
| ThI-II | 15 | 1 276.2096 | I | 20 922 | 2 | 13 088 | 3 |
| ThI-II | 38 | 1 286.6642 | I | 19 227 | 6 | 26 997 | 6 |
| ThI-II | 12 | 1 295.2084 | I | 20 566 | 4 | 12 847 | 3 |
| ThI-II | 30 | 1 295.9818 | I | 19 516 | 2 | 11 802 | 2 |
| ThI-II | 10 | 1 300.7828 | I | 16 346 | 4 | 24 032 | 4 |
| ThI-II | 13 | 1 302.6186 | I | 20 522 | 2 | 12 847 | 3 |
| ThI-II | 18 | 1 307.0831 | I | 10 783 | 2 | 18 431 | 3 |
| ThI-II | 10 | 1 312.7924 | I | 16 783 | 4 | 24 399 | 3 |
| ThI-II | 19 | 1 320.5285 | I | 18 809 | 4 | 26 380 | 5 |
| ThI-II | 13 | 1 325.3862 | I | 15 490 | 5 | 23 032 | 4 |
| ThI-II | 11 | 1 327.5348 | I | 24 084 | 6 | 16 554 | 6 |
| ThI-II | 15 | 1 336.8792 | I | 20 566 | 4 | 13 088 | 3 |
| ThI-II | 15 | 1 356.5665 | I | 15 618 | 3 | 22 988 | 2 |
| ThI-II | 15 | 1 409.0246 | I | 10 783 | 2 | 3 687 | 2 |
| ThI-II | 15 | 1 416.8671 | I | 15 166 | 3 | 8 111 | 4 |
| ThI-II | 15 | 1 442.4537 | I | 16 346 | 4 | 23 277 | 5 |
| ThI-II | 15 | 1 461.8976 | I | 10 526 | 3 | 3 687 | 2 |
| ThI-II | 15 | 1 465.4914 | I | 11 877 | 1 | 18 699 | 2 |
| ThI-II | 15 | 1 494.0492 | Il | 6 691 | 3/2 | 0 | 3/2 |
| ThI-II | 15 | 1 524.0242 | Il | 10 673 | 5/2 | 4 113 | 5/2 |
| ThI-II | 15 | 1 542.9783 | I | 15 618 | 3 | 22 098 | 4 |
| ThI-II | 15 | 1 583.1752 | I | 11 877 | 1 | 5 563 | 1 |
| ThI-II | 20 | 1 720.8215 | Il | 7 331 | 5/2 | 1 521 | 5/2 |
| ThI-II | 15 | 1 730.7662 | I | 17 501 | 5 | 23 277 | 5 |
| ThI-II | 15 | 1 738.1909 | I | 16 346 | 4 | 22 098 | 4 |
| ThI-II | 15 | 1 748.1041 | I | 8 243 | 2 | 13 962 | 1 |
| ThI-II | 15 | 1 758.4517 | I | 15 490 | 5 | 9 804 | 5 |
| ThI-II | 15 | 1 793.6434 | Il | 9 720 | 7/2 | 4 146 | 7/2 |
| ThI-II | 15 | 1 881.1879 | I | 16 783 | 4 | 22 098 | 4 |
| ThI-II | 15 | 1 914.5601 | Il | 4 490 | 5/2 | 9 711 | 7/2 |
| ThI-II | 15 | 1 933.8976 | Il | 6 691 | 3/2 | 1 521 | 5/2 |
| ThI-II | 10 | 1 977.4295 | Il | 9 202 | 7/2 | 4 146 | 7/2 |
| ThI-II | 10 | 2 063.4364 | I | 8 243 | 2 | 13 088 | 3 |
| ThI-II | 10 | 2 069.2063 | Il | 6 691 | 3/2 | 1 859 | 3/2 |
| ThI-II | 10 | 2 226.4353 | Il | 4 490 | 5/2 | 0 | 3/2 |