1 1 1s2 1 0 S 0.0 1 0.000 0.000000 0.000 0.000000 2 2 1s.2s 3 0 S 1.0 3 25037556.000 228.159012 25017194.000 227.973450 3 3 1s.2p 3 1 P 0.0 1 25216104.000 229.786057 25170788.000 229.373108 4 3 1s.2p 3 1 P 1.0 3 25194480.000 229.589005 25175874.000 229.419449 5 2 1s.2s 1 0 S 0.0 1 25200958.000 229.648041 25195052.000 229.594223 6 3 1s.2p 3 1 P 2.0 5 25218552.000 229.808365 25197798.000 229.619247 7 3 1s.2p 1 1 P 1.0 3 25320940.000 230.741394 25313300.000 230.671768 8 4 1s.3s 3 0 S 1.0 3 29633330.000 270.038788 29614282.000 269.865204 9 5 1s.3p 3 1 P 0.0 1 29674992.000 270.418427 29658086.000 270.264374 10 5 1s.3p 3 1 P 1.0 3 29676554.000 270.432678 29659596.000 270.278137 11 4 1s.3s 1 0 S 0.0 1 29676816.000 270.435059 29665412.000 270.331146 12 5 1s.3p 3 1 P 2.0 5 29683166.000 270.492920 29666092.000 270.337341 13 6 1s.3d 3 2 D 1.0 3 29706268.000 270.703430 29686480.000 270.523132 14 6 1s.3d 3 2 D 2.0 5 29706256.000 270.703339 29686504.000 270.523346 15 6 1s.3d 3 2 D 3.0 7 29708888.000 270.727325 29689022.000 270.546295 16 6 1s.3d 1 2 D 2.0 5 29710110.000 270.738464 29690496.000 270.559723 17 5 1s.3p 1 1 P 1.0 3 29700030.000 270.646606 29700676.000 270.652496 18 7 1s.4s 3 0 S 1.0 3 31219900.000 284.496674 31201836.000 284.332062 19 8 1s.4p 3 1 P 0.0 1 31237332.000 284.655518 31221376.000 284.510132 20 8 1s.4p 3 1 P 1.0 3 31238000.000 284.661621 31222022.000 284.516022 21 7 1s.4s 1 0 S 0.0 1 31238100.000 284.662506 31225476.000 284.547485 22 8 1s.4p 3 1 P 2.0 5 31240788.000 284.687012 31224860.000 284.541870 23 10 1s.4f 3 3 F 2.0 5 0.000 0.000000 31231064.000 284.598419 24 10 1s.4f 3 3 F 3.0 7 0.000 0.000000 31230974.000 284.597595 25 10 1s.4f 3 3 F 4.0 9 0.000 0.000000 31231608.000 284.603363 26 10 1s.4f 1 3 F 3.0 7 0.000 0.000000 31231682.000 284.604034 27 9 1s.4d 3 2 D 1.0 3 31250610.000 284.776520 31232562.000 284.612061 28 9 1s.4d 3 2 D 2.0 5 31250600.000 284.776428 31232618.000 284.612579 29 9 1s.4d 3 2 D 3.0 7 31251716.000 284.786591 31233754.000 284.622925 30 9 1s.4d 1 2 D 2.0 5 31252200.000 284.791016 31234648.000 284.631073 31 8 1s.4p 1 1 P 1.0 3 31253100.000 284.799225 31241480.000 284.693329 32 11 1s.5s 3 0 S 1.0 3 31949600.000 291.146179 31927258.000 290.942596 33 12 1s.5p 3 1 P 0.0 1 31958558.000 291.227814 31935956.000 291.021851 34 12 1s.5p 3 1 P 1.0 3 31958900.000 291.230927 31936306.000 291.025055 35 11 1s.5s 1 0 S 0.0 1 31959000.000 291.231842 31936708.000 291.028717 36 12 1s.5p 3 1 P 2.0 5 31960328.000 291.243958 31937730.000 291.038025 37 13 1s.5d 3 2 D 1.0 3 0.000 0.000000 31942456.000 291.081085 38 13 1s.5d 3 2 D 2.0 5 0.000 0.000000 31942488.000 291.081390 39 13 1s.5d 3 2 D 3.0 7 0.000 0.000000 31943022.000 291.086243 40 14 1s.5f 3 3 F 2.0 5 0.000 0.000000 31943370.000 291.089417 41 14 1s.5f 3 3 F 3.0 7 0.000 0.000000 31943332.000 291.089081 42 13 1s.5d 1 2 D 2.0 5 31966200.000 291.297455 31943404.000 291.089722 43 14 1s.5f 3 3 F 4.0 9 0.000 0.000000 31943660.000 291.092072 44 14 1s.5f 1 3 F 3.0 7 0.000 0.000000 31943694.000 291.092377 45 15 1s.5g 3 4 G 3.0 7 0.000 0.000000 31943692.000 291.092346 46 15 1s.5g 3 4 G 4.0 9 0.000 0.000000 31943668.000 291.092133 47 15 1s.5g 3 4 G 5.0 11 0.000 0.000000 31943868.000 291.093964 48 15 1s.5g 1 4 G 4.0 9 0.000 0.000000 31943882.000 291.094086 49 12 1s.5p 1 1 P 1.0 3 31966600.000 291.301086 31944006.000 291.095215 -1 %filename: ar_17.elvlc %observed energy levels (2,3,4,6,7,17): Landi et al. 2011, ApJ, in press (CHIANTI V.7 paper) %observed energy levels (other levels): Ralchenko, Yu., Kramida, A.E., Reader, J., and NIST ASD Team (2008). NIST Atomic Spectra Database (version 3.1.5), [Online]. Available: http://physics.nist.gov/asd3 [2010, July 8]. National Institute of Standards and Technology, Gaithersburg, MD %theoretical energy levels: Aggarwal, K.M., & Keenan, F.P. 2005, A&A, 441, 831 %Comment: the observed energies of levels 2,3,4,6,7,17 were taken as averages from the measurements reported in various sources, listed in Landi et al. (2011). %Comment: the theoretical energies are taken from the GRASP calculation with Breit and QED effects %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - July 2010 -1