wavel.	cross section	one standard deviation

200	7.87e-19	4.6e-20
202	7.87e-19	4.6e-20
204	7.72e-19	4.6e-20
206	7.41e-19	4.2e-20
208	6.95e-19	3.8e-20
210	6.46e-19	3.8e-20
212	5.92e-19	3.4e-20
214	5.27e-19	3.1e-20
216	4.70e-19	3.1e-20
218	4.13e-19	2.7e-20
220	3.51e-19	1.9e-20
222	3.02e-19	1.5e-20
224	2.56e-19	1.1e-20
226	2.18e-19	1.9e-20
228	1.76e-19	8.0e-21
230	1.43e-19	5.0e-21
232	1.14e-19	4.0e-21
234	9.05e-20	3.4e-21
236	7.14e-20	2.3e-21
238	5.69e-20	1.5e-21
240	4.28e-20	2.7e-21
242	3.29e-20	8.0e-22
244	2.27e-20	5.0e-22
246	1.78e-20	4.0e-22
248	1.28e-20	4.0e-22
250	9.28e-21	3.8e-22
252	6.57e-21	3.8e-22
254	4.70e-21	3.1e-22
256	3.29e-21	3.1e-22
258	2.29e-21	3.1e-22
260	1.49e-21	1.9e-22