0.00 2951.29 27889.68 Informal meeting, JET, 27-April-2012 Eground Elower Eupper NIST -88.0 2893.0 27815.7 U Mons 0.0 2981.7 27905.5 adf04 5d4 6s2 5D0 5d5 6s 7S3 5d4 6s 6p 7P4 5d5 6p 7P4 (NIST) W0 energy levels and our favourite line