wavel.	cross sect.	eror limit

289.36	1.476e-18	0.01e-18
296.73	5.91e-19	0.01e-19
302.15	2.874e-19	0.006e-19
312.57	6.85e-20	0.02e-20
313.16	6.37e-20	0.01e-20