wavel.	cross sect.	error limit

543.667	3.051e-21	0.024e-21
594.261	4.631e-21	0.037e-21
604.780	5.125e-21	0.041e-21
612.140	4.586e-21	0.037e-21
632.991	3.401e-21	0.027e-21