wavel.	cross sect.	error limit

543.667	3.071e-21	0.028e-21
594.261	4.633e-21	0.042e-21
604.780	5.127e-21	0.047e-21
612.140	4.585e-21	0.042e-21
632.991	3.390e-21	0.031e-21