1 2s2.2p4 3 P 2.0 0.000 0.000 2 2s2.2p4 3 P 1.0 14455.000 14878.301 3 2s2.2p4 3 P 0.0 18307.000 18809.532 4 2s2.2p4 1 D 2.0 71834.000 75409.389 5 2s2.2p4 1 S 0.0 148513.000 150351.098 6 2s.2p5 3 P 2.0 529643.000 540055.128 7 2s.2p5 3 P 1.0 541936.000 552681.035 8 2s.2p5 3 P 0.0 548958.000 559875.125 9 2s.2p5 1 P 1.0 730362.000 750254.236 10 2p6 1 S 0.0 1235523.000 1270831.474 11 2s2.2p3(4S).3s 5 S 2.0 2483300.000 2477659.922 12 2s2.2p3(4S).3s 3 S 1.0 2521015.000 2513258.735 13 2s2.2p3(2D).3s 3 D 1.0 2587133.000 2584324.249 14 2s2.2p3(2D).3s 3 D 2.0 2588400.000 2584995.793 15 2s2.2p3(2D).3s 3 D 3.0 2589667.000 2587949.978 16 2s2.2p3(2D).3s 1 D 2.0 2604121.000 2603594.401 17 2s2.2p3(4S).3p 5 P 1.0 2619092.000 2613772.939 18 2s2.2p3(4S).3p 5 P 2.0 2620209.000 2614958.145 19 2s2.2p3(4S).3p 5 P 3.0 2622605.000 2617239.432 20 2s2.2p3(4S).3p 3 P 1.0 -1.000 2647664.846 21 2s2.2p3(4S).3p 3 P 2.0 -1.000 2648910.511 22 2s2.2p3(4S).3p 3 P 0.0 -1.000 2649453.876 23 2s2.2p3(2P).3s 3 P 0.0 -1.000 2634331.969 24 2s2.2p3(2P).3s 3 P 1.0 -1.000 2635910.200 25 2s2.2p3(2P).3s 3 P 2.0 2644800.000 2640323.588 26 2s2.2p3(2P).3s 1 P 1.0 2649791.000 2655391.979 27 2s2.2p3(2D).3p 3 D 1.0 -1.000 2715614.668 28 2s2.2p3(2D).3p 3 D 2.0 -1.000 2712290.643 29 2s2.2p3(2D).3p 3 D 3.0 -1.000 2716356.810 30 2s2.2p3(2D).3p 1 P 1.0 -1.000 2703736.334 31 2s2.2p3(2D).3p 3 F 2.0 -1.000 2722518.091 32 2s2.2p3(2D).3p 3 F 3.0 -1.000 2725424.961 33 2s2.2p3(2D).3p 3 F 4.0 -1.000 2728498.034 34 2s2.2p3(2D).3p 1 F 3.0 -1.000 2731699.021 35 2s2.2p3(2D).3p 3 P 0.0 -1.000 2764991.979 36 2s2.2p3(2D).3p 3 P 1.0 -1.000 2774772.759 37 2s2.2p3(2D).3p 3 P 2.0 2769686.000 2771779.304 38 2s2.2p3(4S).3d 5 D 0.0 -1.000 2787231.087 39 2s2.2p3(4S).3d 5 D 1.0 -1.000 2787324.405 40 2s2.2p3(4S).3d 5 D 2.0 2780868.000 2787488.282 41 2s2.2p3(4S).3d 5 D 3.0 -1.000 2787724.205 42 2s2.2p3(4S).3d 5 D 4.0 -1.000 2788115.989 43 2s2.2p3(2P).3p 3 D 2.0 -1.000 2775027.665 44 2s2.2p3(2P).3p 3 S 1.0 -1.000 2757919.890 45 2s2.2p3(2P).3p 3 D 1.0 -1.000 2773085.979 46 2s2.2p3(2D).3p 1 D 2.0 -1.000 2783930.448 47 2s2.2p3(2P).3p 3 D 3.0 -1.000 2778619.227 48 2s2.2p3(2P).3p 1 P 1.0 -1.000 2788168.174 49 2s2.2p3(2P).3p 3 P 2.0 -1.000 2798673.033 50 2s2.2p3(2P).3p 3 P 1.0 -1.000 2801574.192 51 2s2.2p3(4S).3d 3 D 2.0 2826216.000 2824273.384 52 2s2.2p3(4S).3d 3 D 1.0 2825023.000 2825264.220 53 2s2.2p3(2P).3p 3 P 0.0 -1.000 2802948.078 54 2s2.2p3(4S).3d 3 D 3.0 2826216.000 2826153.419 55 2s2.2p3(2P).3p 1 D 2.0 -1.000 2832581.418 56 2s2.2p3(2D).3d 3 F 2.0 2888018.000 2880547.221 57 2s2.2p3(2D).3d 3 F 3.0 -1.000 2884073.332 58 2s2.2p3(2D).3d 1 S 0.0 -1.000 2886798.895 59 2s2.2p3(2D).3d 3 F 4.0 -1.000 2888205.347 60 2s2.2p3(2D).3d 3 G 3.0 -1.000 2895177.079 61 2s2.2p3(2D).3d 3 G 4.0 -1.000 2896780.592 62 2s2.2p3(2D).3d 3 G 5.0 -1.000 2898792.205 63 2s2.2p3(2D).3d 1 G 4.0 -1.000 2901952.073 64 2s2.2p3(2D).3d 3 D 1.0 2911700.000 2913285.837 65 2s2.2p3(2P).3p 1 S 0.0 -1.000 2883617.205 66 2s2.2p3(2D).3d 3 D 2.0 2911326.000 2911455.462 67 2s2.2p3(2D).3d 1 P 1.0 2902630.000 2903892.395 68 2s2.2p3(2D).3d 3 D 3.0 2912904.000 2914099.048 69 2s2.2p3(2D).3d 3 P 2.0 2921917.000 2921723.664 70 2s2.2p3(2D).3d 3 P 0.0 -1.000 2925766.240 71 2s2.2p3(2D).3d 3 P 1.0 2933326.000 2926424.248 72 2s2.2p3(2D).3d 1 D 2.0 2921917.000 2919673.508 73 2s2.2p3(2D).3d 3 S 1.0 2933326.000 2930984.205 74 2s2.2p3(2P).3d 3 F 3.0 2945397.000 2945400.157 75 2s2.2p3(2P).3d 3 F 2.0 -1.000 2948850.486 76 2s2.2p3(2P).3d 3 F 4.0 -1.000 2949101.336 77 2s2.2p3(2D).3d 1 F 3.0 2945430.000 2951136.872 78 2s2.2p3(2P).3d 3 P 0.0 -1.000 2949672.859 79 2s2.2p3(2P).3d 3 P 1.0 -1.000 2952659.682 80 2s2.2p3(2P).3d 3 P 2.0 -1.000 2954597.023 81 2s2.2p3(2P).3d 1 D 2.0 2965330.000 2964926.581 82 2s2.2p3(2P).3d 3 D 3.0 2969209.000 2968196.736 83 2s2.2p3(2P).3d 3 D 1.0 2979000.000 2968410.390 84 2s2.2p3(2P).3d 3 D 2.0 2969500.000 2981158.368 85 2s2.2p3(2P).3d 1 F 3.0 2984730.000 2984811.149 86 2s2.2p3(2P).3d 1 P 1.0 3015430.000 3015794.087 -1 %filename: ar_11.elvlc %observed energy levels (n=2 levels): Edlen, B., 1983, Phys. Scripta, 28, 51 %observed energy levels (levels 17,18,19): Curdt, Landi, Feldman, 2004, A&A, 427, 1045 %observed energy levels (25,64,67,77,81,83,84,85): Kelly, R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1 %observed energy levels (11,14,15,37,51,54,71,73,82): Lepson, J.K., Beiersdorfer, P., Behar, E., Kahn, S.M., 2003, ApJ, 590, 604 %observed energy levels (12,13,16,26,40,52,56,66,68,69,72,74,86): Fawcett, B.C., Gabriel, A.H., Paget, T.M., 1971, J.Phys.B, 4, 986 %theoretical energy levels: Landi, E., Bhatia, A.K., 2006, ADNDT, 92, 305 %comment: theoretical energy levels come from the 24-configuration calculation in Bhatia & Landi (2006) %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi - Jan 2005