wavel.	cross section	error limit

180	7.43e-18	3.7e-19
190	5.19e-18	2.6e-19
200	3.27e-18	1.6e-19
210	1.90e-18	1.0e-19
220	1.05e-18	5.0e-20
230	5.67e-19	2.8e-20
240	3.08e-19	1.5e-20
250	1.59e-19	8.0e-21
260	8.83e-20	4.4e-21
270	5.13e-20	2.6e-21
280	2.99e-20	1.5e-21
290	1.76e-20	9.0e-22
300	1.04e-20	5.0e-22
310	6.14e-21	3.7e-22
320	3.52e-21	2.5e-22
330	2.09e-21	1.7e-22
340	1.27e-21	1.3e-22
345	1.01e-21	1.1e-22
350	8.30e-22	1.0e-22
355	6.90e-22	9.5e-23
360	6.08e-22	9.1e-23