wavel.	cross sect.	 error limit

253.65	1.141e-17	0.01e-17
289.36	1.49e-18	0.03e-18
296.73	6.03e-19	0.09e-19
302.15	2.92e-19	0.05e-19
543.52	3.14e-22	0.04e-22
576.96	4.77e-22	0.04e-22
594.10	4.70e-22	0.06e-22
604.61	5.22e-22	0.05e-22
611.97	4.66e-22	0.04e-22
632.82	3.46e-22	0.04e-22