wavel.	cross section	standard dev.

196	1.648370e-19	4.876667e-20
197	3.079067e-19	3.993333e-20
198	3.293233e-19	3.795000e-20
199	3.376400e-19	2.635000e-20
200	3.489583e-19	2.681667e-20
201	3.660133e-19	2.680000e-20
202	3.874217e-19	2.705000e-20
203	3.948200e-19	2.946667e-20
204	4.029817e-19	3.026667e-20
205	4.043783e-19	2.993333e-20
206	4.115900e-19	2.813333e-20
207	4.160750e-19	3.020000e-20
208	4.125883e-19	3.096667e-20
209	4.030867e-19	2.983333e-20
210	4.008933e-19	2.910000e-20
211	3.894983e-19	2.811667e-20
212	3.699933e-19	2.631667e-20
213	3.655350e-19	2.483333e-20
214	3.447017e-19	2.518333e-20
215	3.302100e-19	2.370000e-20
216	3.128767e-19	2.155000e-20
217	2.957967e-19	2.061667e-20
218	2.740117e-19	1.981667e-20
219	2.534483e-19	1.716667e-20
220	2.264017e-19	1.691667e-20