wavel.	cross section	error limit	

200	6.15e-18	2.4e-19
205	6.77e-18	1.5e-19
207	6.73e-18	1.4e-19
210	6.77e-18	1.1e-19
215	5.57e-18	2.1e-19
220	4.20e-18	2.9e-19
225	3.57e-18	1.0e-19
230	3.67e-18	3.7e-19
235	3.40e-18	2.0e-19
240	3.46e-18	1.8e-19
245	3.17e-18	2.3e-19
250	2.76e-18	9.0e-20
255	2.53e-18	3.2e-19
260	2.05e-18	1.2e-19
265	1.75e-18	2.1e-19
270	1.40e-18	1.7e-19
275	8.00e-19	2.0e-19