0.6-0.5 KeV
					
Energy	Ion		Level 1		        Level 2
(ev)					

592.0	N VII		1			3
592.0	SI XIV		2			6
584.0	AR XIV		1S22S22P 2P(1/2)O	1S24D
580.0	O V		1S22S2 1S(0)		1S2S22PX
579.0	CA XVI		1S22S22P 2P(1/2)O	1S23D
579.0	CA XVII		1S22S2P 1PO		1S22S3D 1D
574.0	CA XIII		1S22S22P4 3P(0)		1S22S2P43P
574.0	O VII		1S2 1S			1S2P 1PO
571.0	O IV		1S22S22P 2P(1/2)O	1S2S22P2X
569.0	O VII		1S2 1S			1S2P 3PO
564.0	O III		1S22S22P2 3P(0)		1S2P22P3X
564.0	CA XIV		1S22S22P3 4S(3/2)O	1S22S2P33P
564.0	CA XVII		1S22S2P 1PO		1S22S3S 1S
563.0	O VI		1S22S 2S(1/2)		1S2S2
561.0	O VII		1S2 1S			1S2S 3S
561.0	SI XIV		2			5
556.0	AR XVII		1S2P 3PO		1S3D 3D
553.0	O II		1S22S22P3 4S(3/2)O	1S2S22S4X
551.0	CA XI		1S22S22P6		1S22S22P55P
551.0	CA XI		1S22S22P6		1S22S2P65P
551.0	CA XIII		1S22S2P5		1S22S2P43D
549.0	CA XV		1S22S22P2 3P(0)		1S22S22P3D
544.0	CA XVI		1S22S22P 2P(1/2)O	1S23S
542.0	O V		1S22S2 1S(0)		1S2S22P
542.0	AR XVII		1S2P 1PO		1S3D 1D
539.0	CA XII		1S22S22P5 2P(1/2)O	1S22S2P53P
538.0	S XIV		1S22S 2S(1/2)		1S24P
537.0	CA XII		1S22S2P6		1S22S2P54L
534.0	CA XIV		1S22S22P3 4S(3/2)O	1S22S22P23D 2L
534.0	CA XV		1S22S2P3 3DO		1S22S2P23S
525.0	AR XVI		1S22S 2S(1/2)		1S23P
522.0	N VI		1S2 1S			1S4P 1PO
519.0	NIXXVIII	3			4
514.0	CA XIV		1S22S22P3 4S(3/2)O	1S22S22P23D 4L
511.0	S XIV		1S22P 2P(1/2)		1S24D
508.0	CA XV		1S22S22P2 3P(0)		1S22S22P3S
508.0	S XIV		1S22P 2P(1/2)		1S24S
506.0	CA XIII		1S22S22P4 3P(0)		1S22S22P33D 3PO
504.0	S XIII		1S22S2 1S(0)		1S22S4P
500.0	SI XIV		2			4