wavel.	cross sect.	error limit
-----------------------------------
184.95	3.04e-20	1.00e-22
190	9.99e-21	1.20e-23
195	3.25e-21	4.00e-23
200	1.06e-21	1.00e-23
205	3.57e-22	1.00e-24
210	1.32e-22	1.00e-24
215	5.28e-23	4.00e-25
220	2.47e-23	3.00e-25
225	1.20e-23	4.00e-25
230	6.64e-24	3.90e-25
235	3.55e-24	2.60e-25
240	2.18e-24	5.00e-25
250	8.37e-25	5.00e-25